18931170064

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{250837}}^1$

素因数の和:250987

約数の個数: 40

約数和(自身を含む): 37791253080

約数和(自身を除く): 18860083016

約数列:

[1, 2, 4, 8, 16, 53, 89, 106, 178, 212, 356, 424, 712, 848, 1424, 4717, 9434, 18868, 37736, 75472, 250837, 501674, 1003348, 2006696, 4013392, 13294361, 22324493, 26588722, 44648986, 53177444, 89297972, 106354888, 178595944, 212709776, 357191888, 1183198129, 2366396258, 4732792516, 9465585032, 18931170064]

約数ペア:

[(1, 18931170064), (2, 9465585032), (4, 4732792516), (8, 2366396258), (16, 1183198129), (53, 357191888), (89, 212709776), (106, 178595944), (178, 106354888), (212, 89297972), (356, 53177444), (424, 44648986), (712, 26588722), (848, 22324493), (1424, 13294361), (4717, 4013392), (9434, 2006696), (18868, 1003348), (37736, 501674), (75472, 250837)]