19642120

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2713}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 44455320

約数和(自身を除く): 24813200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 2713, 3620, 5426, 7240, 10852, 13565, 21704, 27130, 54260, 108520, 491053, 982106, 1964212, 2455265, 3928424, 4910530, 9821060, 19642120]

約数ペア:

[(1, 19642120), (2, 9821060), (4, 4910530), (5, 3928424), (8, 2455265), (10, 1964212), (20, 982106), (40, 491053), (181, 108520), (362, 54260), (724, 27130), (905, 21704), (1448, 13565), (1810, 10852), (2713, 7240), (3620, 5426)]