1997751618

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{13367}}^1$

素因数の和:13436

約数の個数: 72

約数和(自身を含む): 4767242688

約数和(自身を除く): 2769491070

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 361, 414, 437, 722, 874, 1083, 1311, 2166, 2622, 3249, 3933, 6498, 7866, 8303, 13367, 16606, 24909, 26734, 40101, 49818, 74727, 80202, 120303, 149454, 240606, 253973, 307441, 507946, 614882, 761919, 922323, 1523838, 1844646, 2285757, 2766969, 4571514, 4825487, 5533938, 5841379, 9650974, 11682758, 14476461, 17524137, 28952922, 35048274, 43429383, 52572411, 86858766, 105144822, 110986201, 221972402, 332958603, 665917206, 998875809, 1997751618]

約数ペア:

[(1, 1997751618), (2, 998875809), (3, 665917206), (6, 332958603), (9, 221972402), (18, 110986201), (19, 105144822), (23, 86858766), (38, 52572411), (46, 43429383), (57, 35048274), (69, 28952922), (114, 17524137), (138, 14476461), (171, 11682758), (207, 9650974), (342, 5841379), (361, 5533938), (414, 4825487), (437, 4571514), (722, 2766969), (874, 2285757), (1083, 1844646), (1311, 1523838), (2166, 922323), (2622, 761919), (3249, 614882), (3933, 507946), (6498, 307441), (7866, 253973), (8303, 240606), (13367, 149454), (16606, 120303), (24909, 80202), (26734, 74727), (40101, 49818)]