19498890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13829}}^1$

素因数の和:13886

約数の個数: 32

約数和(自身を含む): 47796480

約数和(自身を除く): 28297590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 13829, 27658, 41487, 69145, 82974, 138290, 207435, 414870, 649963, 1299926, 1949889, 3249815, 3899778, 6499630, 9749445, 19498890]

約数ペア:

[(1, 19498890), (2, 9749445), (3, 6499630), (5, 3899778), (6, 3249815), (10, 1949889), (15, 1299926), (30, 649963), (47, 414870), (94, 207435), (141, 138290), (235, 82974), (282, 69145), (470, 41487), (705, 27658), (1410, 13829)]