18378430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37507}}^1$

素因数の和:37528

約数の個数: 24

約数和(自身を含む): 38483208

約数和(自身を除く): 20104778

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37507, 75014, 187535, 262549, 375070, 525098, 1312745, 1837843, 2625490, 3675686, 9189215, 18378430]

約数ペア:

[(1, 18378430), (2, 9189215), (5, 3675686), (7, 2625490), (10, 1837843), (14, 1312745), (35, 525098), (49, 375070), (70, 262549), (98, 187535), (245, 75014), (490, 37507)]