19086920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28069}}^1$

素因数の和:28097

約数の個数: 32

約数和(自身を含む): 45473400

約数和(自身を除く): 26386480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28069, 56138, 112276, 140345, 224552, 280690, 477173, 561380, 954346, 1122760, 1908692, 2385865, 3817384, 4771730, 9543460, 19086920]

約数ペア:

[(1, 19086920), (2, 9543460), (4, 4771730), (5, 3817384), (8, 2385865), (10, 1908692), (17, 1122760), (20, 954346), (34, 561380), (40, 477173), (68, 280690), (85, 224552), (136, 140345), (170, 112276), (340, 56138), (680, 28069)]