19707996

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 59010504

約数和(自身を除く): 39302508

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 121, 132, 147, 154, 196, 231, 242, 277, 294, 308, 363, 462, 484, 539, 554, 588, 726, 831, 847, 924, 1078, 1108, 1452, 1617, 1662, 1694, 1939, 2156, 2541, 3047, 3234, 3324, 3388, 3878, 5082, 5817, 5929, 6094, 6468, 7756, 9141, 10164, 11634, 11858, 12188, 13573, 17787, 18282, 21329, 23268, 23716, 27146, 33517, 35574, 36564, 40719, 42658, 54292, 63987, 67034, 71148, 81438, 85316, 100551, 127974, 134068, 149303, 162876, 201102, 234619, 255948, 298606, 402204, 447909, 469238, 597212, 703857, 895818, 938476, 1407714, 1642333, 1791636, 2815428, 3284666, 4926999, 6569332, 9853998, 19707996]

約数ペア:

[(1, 19707996), (2, 9853998), (3, 6569332), (4, 4926999), (6, 3284666), (7, 2815428), (11, 1791636), (12, 1642333), (14, 1407714), (21, 938476), (22, 895818), (28, 703857), (33, 597212), (42, 469238), (44, 447909), (49, 402204), (66, 298606), (77, 255948), (84, 234619), (98, 201102), (121, 162876), (132, 149303), (147, 134068), (154, 127974), (196, 100551), (231, 85316), (242, 81438), (277, 71148), (294, 67034), (308, 63987), (363, 54292), (462, 42658), (484, 40719), (539, 36564), (554, 35574), (588, 33517), (726, 27146), (831, 23716), (847, 23268), (924, 21329), (1078, 18282), (1108, 17787), (1452, 13573), (1617, 12188), (1662, 11858), (1694, 11634), (1939, 10164), (2156, 9141), (2541, 7756), (3047, 6468), (3234, 6094), (3324, 5929), (3388, 5817), (3878, 5082)]