31495806

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 72

約数和(自身を含む): 74532744

約数和(自身を除く): 43036938

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 131, 171, 222, 262, 333, 342, 361, 393, 666, 703, 722, 786, 1083, 1179, 1406, 2109, 2166, 2358, 2489, 3249, 4218, 4847, 4978, 6327, 6498, 7467, 9694, 12654, 13357, 14541, 14934, 22401, 26714, 29082, 40071, 43623, 44802, 47291, 80142, 87246, 92093, 94582, 120213, 141873, 184186, 240426, 276279, 283746, 425619, 552558, 828837, 851238, 1657674, 1749767, 3499534, 5249301, 10498602, 15747903, 31495806]

約数ペア:

[(1, 31495806), (2, 15747903), (3, 10498602), (6, 5249301), (9, 3499534), (18, 1749767), (19, 1657674), (37, 851238), (38, 828837), (57, 552558), (74, 425619), (111, 283746), (114, 276279), (131, 240426), (171, 184186), (222, 141873), (262, 120213), (333, 94582), (342, 92093), (361, 87246), (393, 80142), (666, 47291), (703, 44802), (722, 43623), (786, 40071), (1083, 29082), (1179, 26714), (1406, 22401), (2109, 14934), (2166, 14541), (2358, 13357), (2489, 12654), (3249, 9694), (4218, 7467), (4847, 6498), (4978, 6327)]