18281120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 54867456

約数和(自身を除く): 36586336

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 47, 52, 55, 65, 68, 80, 85, 88, 94, 104, 110, 130, 136, 143, 160, 170, 176, 187, 188, 208, 220, 221, 235, 260, 272, 286, 340, 352, 374, 376, 416, 440, 442, 470, 517, 520, 544, 572, 611, 680, 715, 748, 752, 799, 880, 884, 935, 940, 1034, 1040, 1105, 1144, 1222, 1360, 1430, 1496, 1504, 1598, 1760, 1768, 1870, 1880, 2068, 2080, 2210, 2288, 2431, 2444, 2585, 2720, 2860, 2992, 3055, 3196, 3536, 3740, 3760, 3995, 4136, 4420, 4576, 4862, 4888, 5170, 5720, 5984, 6110, 6392, 6721, 7072, 7480, 7520, 7990, 8272, 8789, 8840, 9724, 9776, 10340, 10387, 11440, 12155, 12220, 12784, 13442, 14960, 15980, 16544, 17578, 17680, 19448, 19552, 20680, 20774, 22880, 24310, 24440, 25568, 26884, 29920, 31960, 33605, 35156, 35360, 38896, 41360, 41548, 43945, 48620, 48880, 51935, 53768, 63920, 67210, 70312, 77792, 82720, 83096, 87890, 97240, 97760, 103870, 107536, 114257, 127840, 134420, 140624, 166192, 175780, 194480, 207740, 215072, 228514, 268840, 281248, 332384, 351560, 388960, 415480, 457028, 537680, 571285, 703120, 830960, 914056, 1075360, 1142570, 1406240, 1661920, 1828112, 2285140, 3656224, 4570280, 9140560, 18281120]

約数ペア:

[(1, 18281120), (2, 9140560), (4, 4570280), (5, 3656224), (8, 2285140), (10, 1828112), (11, 1661920), (13, 1406240), (16, 1142570), (17, 1075360), (20, 914056), (22, 830960), (26, 703120), (32, 571285), (34, 537680), (40, 457028), (44, 415480), (47, 388960), (52, 351560), (55, 332384), (65, 281248), (68, 268840), (80, 228514), (85, 215072), (88, 207740), (94, 194480), (104, 175780), (110, 166192), (130, 140624), (136, 134420), (143, 127840), (160, 114257), (170, 107536), (176, 103870), (187, 97760), (188, 97240), (208, 87890), (220, 83096), (221, 82720), (235, 77792), (260, 70312), (272, 67210), (286, 63920), (340, 53768), (352, 51935), (374, 48880), (376, 48620), (416, 43945), (440, 41548), (442, 41360), (470, 38896), (517, 35360), (520, 35156), (544, 33605), (572, 31960), (611, 29920), (680, 26884), (715, 25568), (748, 24440), (752, 24310), (799, 22880), (880, 20774), (884, 20680), (935, 19552), (940, 19448), (1034, 17680), (1040, 17578), (1105, 16544), (1144, 15980), (1222, 14960), (1360, 13442), (1430, 12784), (1496, 12220), (1504, 12155), (1598, 11440), (1760, 10387), (1768, 10340), (1870, 9776), (1880, 9724), (2068, 8840), (2080, 8789), (2210, 8272), (2288, 7990), (2431, 7520), (2444, 7480), (2585, 7072), (2720, 6721), (2860, 6392), (2992, 6110), (3055, 5984), (3196, 5720), (3536, 5170), (3740, 4888), (3760, 4862), (3995, 4576), (4136, 4420)]