19837640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29173}}^1$

素因数の和:29201

約数の個数: 32

約数和(自身を含む): 47261880

約数和(自身を除く): 27424240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29173, 58346, 116692, 145865, 233384, 291730, 495941, 583460, 991882, 1166920, 1983764, 2479705, 3967528, 4959410, 9918820, 19837640]

約数ペア:

[(1, 19837640), (2, 9918820), (4, 4959410), (5, 3967528), (8, 2479705), (10, 1983764), (17, 1166920), (20, 991882), (34, 583460), (40, 495941), (68, 291730), (85, 233384), (136, 145865), (170, 116692), (340, 58346), (680, 29173)]