18864560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 160

約数和(自身を含む): 55121472

約数和(自身を除く): 36256912

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 97, 104, 110, 130, 136, 143, 170, 176, 187, 194, 208, 220, 221, 260, 272, 286, 340, 374, 388, 440, 442, 485, 520, 572, 680, 715, 748, 776, 880, 884, 935, 970, 1040, 1067, 1105, 1144, 1261, 1360, 1430, 1496, 1552, 1649, 1768, 1870, 1940, 2134, 2210, 2288, 2431, 2522, 2860, 2992, 3298, 3536, 3740, 3880, 4268, 4420, 4862, 5044, 5335, 5720, 6305, 6596, 7480, 7760, 8245, 8536, 8840, 9724, 10088, 10670, 11440, 12155, 12610, 13192, 13871, 14960, 16490, 17072, 17680, 18139, 19448, 20176, 21340, 21437, 24310, 25220, 26384, 27742, 32980, 36278, 38896, 42680, 42874, 48620, 50440, 55484, 65960, 69355, 72556, 85360, 85748, 90695, 97240, 100880, 107185, 110968, 131920, 138710, 145112, 171496, 181390, 194480, 214370, 221936, 235807, 277420, 290224, 342992, 362780, 428740, 471614, 554840, 725560, 857480, 943228, 1109680, 1179035, 1451120, 1714960, 1886456, 2358070, 3772912, 4716140, 9432280, 18864560]

約数ペア:

[(1, 18864560), (2, 9432280), (4, 4716140), (5, 3772912), (8, 2358070), (10, 1886456), (11, 1714960), (13, 1451120), (16, 1179035), (17, 1109680), (20, 943228), (22, 857480), (26, 725560), (34, 554840), (40, 471614), (44, 428740), (52, 362780), (55, 342992), (65, 290224), (68, 277420), (80, 235807), (85, 221936), (88, 214370), (97, 194480), (104, 181390), (110, 171496), (130, 145112), (136, 138710), (143, 131920), (170, 110968), (176, 107185), (187, 100880), (194, 97240), (208, 90695), (220, 85748), (221, 85360), (260, 72556), (272, 69355), (286, 65960), (340, 55484), (374, 50440), (388, 48620), (440, 42874), (442, 42680), (485, 38896), (520, 36278), (572, 32980), (680, 27742), (715, 26384), (748, 25220), (776, 24310), (880, 21437), (884, 21340), (935, 20176), (970, 19448), (1040, 18139), (1067, 17680), (1105, 17072), (1144, 16490), (1261, 14960), (1360, 13871), (1430, 13192), (1496, 12610), (1552, 12155), (1649, 11440), (1768, 10670), (1870, 10088), (1940, 9724), (2134, 8840), (2210, 8536), (2288, 8245), (2431, 7760), (2522, 7480), (2860, 6596), (2992, 6305), (3298, 5720), (3536, 5335), (3740, 5044), (3880, 4862), (4268, 4420)]