18831512

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 24506728

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 131, 136, 151, 238, 262, 302, 476, 524, 604, 917, 952, 1048, 1057, 1208, 1834, 2114, 2227, 2567, 3668, 4228, 4454, 5134, 7336, 8456, 8908, 10268, 15589, 17816, 17969, 19781, 20536, 31178, 35938, 39562, 62356, 71876, 79124, 124712, 138467, 143752, 158248, 276934, 336277, 553868, 672554, 1107736, 1345108, 2353939, 2690216, 4707878, 9415756, 18831512]

約数ペア:

[(1, 18831512), (2, 9415756), (4, 4707878), (7, 2690216), (8, 2353939), (14, 1345108), (17, 1107736), (28, 672554), (34, 553868), (56, 336277), (68, 276934), (119, 158248), (131, 143752), (136, 138467), (151, 124712), (238, 79124), (262, 71876), (302, 62356), (476, 39562), (524, 35938), (604, 31178), (917, 20536), (952, 19781), (1048, 17969), (1057, 17816), (1208, 15589), (1834, 10268), (2114, 8908), (2227, 8456), (2567, 7336), (3668, 5134), (4228, 4454)]