19862704

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 39975120

約数和(自身を除く): 20112416

約数列:

[1, 2, 4, 8, 16, 53, 59, 106, 118, 212, 236, 397, 424, 472, 794, 848, 944, 1588, 3127, 3176, 6254, 6352, 12508, 21041, 23423, 25016, 42082, 46846, 50032, 84164, 93692, 168328, 187384, 336656, 374768, 1241419, 2482838, 4965676, 9931352, 19862704]

約数ペア:

[(1, 19862704), (2, 9931352), (4, 4965676), (8, 2482838), (16, 1241419), (53, 374768), (59, 336656), (106, 187384), (118, 168328), (212, 93692), (236, 84164), (397, 50032), (424, 46846), (472, 42082), (794, 25016), (848, 23423), (944, 21041), (1588, 12508), (3127, 6352), (3176, 6254)]