18658640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 58496256

約数和(自身を除く): 39837616

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 233, 260, 280, 286, 308, 364, 385, 440, 455, 466, 520, 560, 572, 616, 715, 728, 770, 880, 910, 932, 1001, 1040, 1144, 1165, 1232, 1430, 1456, 1540, 1631, 1820, 1864, 2002, 2288, 2330, 2563, 2860, 3029, 3080, 3262, 3640, 3728, 4004, 4660, 5005, 5126, 5720, 6058, 6160, 6524, 7280, 8008, 8155, 9320, 10010, 10252, 11440, 12116, 12815, 13048, 15145, 16016, 16310, 17941, 18640, 20020, 20504, 21203, 24232, 25630, 26096, 30290, 32620, 33319, 35882, 40040, 41008, 42406, 48464, 51260, 60580, 65240, 66638, 71764, 80080, 84812, 89705, 102520, 106015, 121160, 130480, 133276, 143528, 166595, 169624, 179410, 205040, 212030, 233233, 242320, 266552, 287056, 333190, 339248, 358820, 424060, 466466, 533104, 666380, 717640, 848120, 932932, 1166165, 1332760, 1435280, 1696240, 1865864, 2332330, 2665520, 3731728, 4664660, 9329320, 18658640]

約数ペア:

[(1, 18658640), (2, 9329320), (4, 4664660), (5, 3731728), (7, 2665520), (8, 2332330), (10, 1865864), (11, 1696240), (13, 1435280), (14, 1332760), (16, 1166165), (20, 932932), (22, 848120), (26, 717640), (28, 666380), (35, 533104), (40, 466466), (44, 424060), (52, 358820), (55, 339248), (56, 333190), (65, 287056), (70, 266552), (77, 242320), (80, 233233), (88, 212030), (91, 205040), (104, 179410), (110, 169624), (112, 166595), (130, 143528), (140, 133276), (143, 130480), (154, 121160), (176, 106015), (182, 102520), (208, 89705), (220, 84812), (233, 80080), (260, 71764), (280, 66638), (286, 65240), (308, 60580), (364, 51260), (385, 48464), (440, 42406), (455, 41008), (466, 40040), (520, 35882), (560, 33319), (572, 32620), (616, 30290), (715, 26096), (728, 25630), (770, 24232), (880, 21203), (910, 20504), (932, 20020), (1001, 18640), (1040, 17941), (1144, 16310), (1165, 16016), (1232, 15145), (1430, 13048), (1456, 12815), (1540, 12116), (1631, 11440), (1820, 10252), (1864, 10010), (2002, 9320), (2288, 8155), (2330, 8008), (2563, 7280), (2860, 6524), (3029, 6160), (3080, 6058), (3262, 5720), (3640, 5126), (3728, 5005), (4004, 4660)]