18130840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 53343360

約数和(自身を除く): 35212520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 293, 340, 364, 442, 455, 476, 520, 586, 595, 680, 728, 884, 910, 952, 1105, 1172, 1190, 1465, 1547, 1768, 1820, 2051, 2210, 2344, 2380, 2930, 3094, 3640, 3809, 4102, 4420, 4760, 4981, 5860, 6188, 7618, 7735, 8204, 8840, 9962, 10255, 11720, 12376, 15236, 15470, 16408, 19045, 19924, 20510, 24905, 26663, 30472, 30940, 34867, 38090, 39848, 41020, 49810, 53326, 61880, 64753, 69734, 76180, 82040, 99620, 106652, 129506, 133315, 139468, 152360, 174335, 199240, 213304, 259012, 266630, 278936, 323765, 348670, 453271, 518024, 533260, 647530, 697340, 906542, 1066520, 1295060, 1394680, 1813084, 2266355, 2590120, 3626168, 4532710, 9065420, 18130840]

約数ペア:

[(1, 18130840), (2, 9065420), (4, 4532710), (5, 3626168), (7, 2590120), (8, 2266355), (10, 1813084), (13, 1394680), (14, 1295060), (17, 1066520), (20, 906542), (26, 697340), (28, 647530), (34, 533260), (35, 518024), (40, 453271), (52, 348670), (56, 323765), (65, 278936), (68, 266630), (70, 259012), (85, 213304), (91, 199240), (104, 174335), (119, 152360), (130, 139468), (136, 133315), (140, 129506), (170, 106652), (182, 99620), (221, 82040), (238, 76180), (260, 69734), (280, 64753), (293, 61880), (340, 53326), (364, 49810), (442, 41020), (455, 39848), (476, 38090), (520, 34867), (586, 30940), (595, 30472), (680, 26663), (728, 24905), (884, 20510), (910, 19924), (952, 19045), (1105, 16408), (1172, 15470), (1190, 15236), (1465, 12376), (1547, 11720), (1768, 10255), (1820, 9962), (2051, 8840), (2210, 8204), (2344, 7735), (2380, 7618), (2930, 6188), (3094, 5860), (3640, 4981), (3809, 4760), (4102, 4420)]