18491902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 17070338

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 41, 82, 83, 143, 166, 209, 247, 286, 418, 451, 494, 533, 779, 902, 913, 1066, 1079, 1558, 1577, 1826, 2158, 2717, 3154, 3403, 5434, 5863, 6806, 8569, 10127, 11726, 11869, 17138, 17347, 20254, 20501, 23738, 34694, 37433, 41002, 44239, 64657, 74866, 88478, 111397, 129314, 222794, 225511, 451022, 486629, 711227, 840541, 973258, 1422454, 1681082, 9245951, 18491902]

約数ペア:

[(1, 18491902), (2, 9245951), (11, 1681082), (13, 1422454), (19, 973258), (22, 840541), (26, 711227), (38, 486629), (41, 451022), (82, 225511), (83, 222794), (143, 129314), (166, 111397), (209, 88478), (247, 74866), (286, 64657), (418, 44239), (451, 41002), (494, 37433), (533, 34694), (779, 23738), (902, 20501), (913, 20254), (1066, 17347), (1079, 17138), (1558, 11869), (1577, 11726), (1826, 10127), (2158, 8569), (2717, 6806), (3154, 5863), (3403, 5434)]