19920598054

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{1801}}^1$

素因数の和:2141

約数の個数: 64

約数和(自身を含む): 35576842752

約数和(自身を除く): 15656244698

約数列:

[1, 2, 7, 14, 37, 74, 131, 163, 259, 262, 326, 518, 917, 1141, 1801, 1834, 2282, 3602, 4847, 6031, 9694, 12062, 12607, 21353, 25214, 33929, 42217, 42706, 66637, 67858, 84434, 133274, 149471, 235931, 293563, 298942, 466459, 471862, 587126, 790061, 932918, 1580122, 1651517, 2054941, 3303034, 4109882, 5530427, 8729447, 10861831, 11060854, 17458894, 21723662, 38456753, 61106129, 76032817, 76913506, 122212258, 152065634, 269197271, 538394542, 1422899861, 2845799722, 9960299027, 19920598054]

約数ペア:

[(1, 19920598054), (2, 9960299027), (7, 2845799722), (14, 1422899861), (37, 538394542), (74, 269197271), (131, 152065634), (163, 122212258), (259, 76913506), (262, 76032817), (326, 61106129), (518, 38456753), (917, 21723662), (1141, 17458894), (1801, 11060854), (1834, 10861831), (2282, 8729447), (3602, 5530427), (4847, 4109882), (6031, 3303034), (9694, 2054941), (12062, 1651517), (12607, 1580122), (21353, 932918), (25214, 790061), (33929, 587126), (42217, 471862), (42706, 466459), (66637, 298942), (67858, 293563), (84434, 235931), (133274, 149471)]