19418338

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7639}}^1$

素因数の和:7713

約数の個数: 16

約数和(自身を含む): 30804480

約数和(自身を除く): 11386142

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 7639, 15278, 236809, 313199, 473618, 626398, 9709169, 19418338]

約数ペア:

[(1, 19418338), (2, 9709169), (31, 626398), (41, 473618), (62, 313199), (82, 236809), (1271, 15278), (2542, 7639)]