19838909968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1376173}}^1$

素因数の和:1376251

約数の個数: 40

約数和(自身を含む): 41466874968

約数和(自身を除く): 21627965000

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1802, 3604, 7208, 14416, 1376173, 2752346, 5504692, 11009384, 22018768, 23394941, 46789882, 72937169, 93579764, 145874338, 187159528, 291748676, 374319056, 583497352, 1166994704, 1239931873, 2479863746, 4959727492, 9919454984, 19838909968]

約数ペア:

[(1, 19838909968), (2, 9919454984), (4, 4959727492), (8, 2479863746), (16, 1239931873), (17, 1166994704), (34, 583497352), (53, 374319056), (68, 291748676), (106, 187159528), (136, 145874338), (212, 93579764), (272, 72937169), (424, 46789882), (848, 23394941), (901, 22018768), (1802, 11009384), (3604, 5504692), (7208, 2752346), (14416, 1376173)]