19968936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2258

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 35672664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2207, 2262, 3016, 4414, 4524, 6621, 8828, 9048, 13242, 17656, 26484, 28691, 52968, 57382, 64003, 86073, 114764, 128006, 172146, 192009, 229528, 256012, 344292, 384018, 512024, 688584, 768036, 832039, 1536072, 1664078, 2496117, 3328156, 4992234, 6656312, 9984468, 19968936]

約数ペア:

[(1, 19968936), (2, 9984468), (3, 6656312), (4, 4992234), (6, 3328156), (8, 2496117), (12, 1664078), (13, 1536072), (24, 832039), (26, 768036), (29, 688584), (39, 512024), (52, 384018), (58, 344292), (78, 256012), (87, 229528), (104, 192009), (116, 172146), (156, 128006), (174, 114764), (232, 86073), (312, 64003), (348, 57382), (377, 52968), (696, 28691), (754, 26484), (1131, 17656), (1508, 13242), (2207, 9048), (2262, 8828), (3016, 6621), (4414, 4524)]