18708976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 120

約数和(自身を含む): 46563984

約数和(自身を除く): 27855008

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 37, 44, 52, 68, 74, 88, 104, 136, 143, 148, 169, 176, 187, 208, 221, 272, 286, 296, 338, 374, 407, 442, 481, 572, 592, 629, 676, 748, 814, 884, 962, 1144, 1258, 1352, 1496, 1628, 1768, 1859, 1924, 2288, 2431, 2516, 2704, 2873, 2992, 3256, 3536, 3718, 3848, 4862, 5032, 5291, 5746, 6253, 6512, 6919, 7436, 7696, 8177, 9724, 10064, 10582, 11492, 12506, 13838, 14872, 16354, 19448, 21164, 22984, 25012, 27676, 29744, 31603, 32708, 38896, 42328, 45968, 50024, 55352, 63206, 65416, 68783, 84656, 89947, 100048, 106301, 110704, 126412, 130832, 137566, 179894, 212602, 252824, 275132, 359788, 425204, 505648, 550264, 719576, 850408, 1100528, 1169311, 1439152, 1700816, 2338622, 4677244, 9354488, 18708976]

約数ペア:

[(1, 18708976), (2, 9354488), (4, 4677244), (8, 2338622), (11, 1700816), (13, 1439152), (16, 1169311), (17, 1100528), (22, 850408), (26, 719576), (34, 550264), (37, 505648), (44, 425204), (52, 359788), (68, 275132), (74, 252824), (88, 212602), (104, 179894), (136, 137566), (143, 130832), (148, 126412), (169, 110704), (176, 106301), (187, 100048), (208, 89947), (221, 84656), (272, 68783), (286, 65416), (296, 63206), (338, 55352), (374, 50024), (407, 45968), (442, 42328), (481, 38896), (572, 32708), (592, 31603), (629, 29744), (676, 27676), (748, 25012), (814, 22984), (884, 21164), (962, 19448), (1144, 16354), (1258, 14872), (1352, 13838), (1496, 12506), (1628, 11492), (1768, 10582), (1859, 10064), (1924, 9724), (2288, 8177), (2431, 7696), (2516, 7436), (2704, 6919), (2873, 6512), (2992, 6253), (3256, 5746), (3536, 5291), (3718, 5032), (3848, 4862)]