18919430

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{11329}}^1$

素因数の和:11503

約数の個数: 16

約数和(自身を含む): 34261920

約数和(自身を除く): 15342490

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 11329, 22658, 56645, 113290, 1891943, 3783886, 9459715, 18919430]

約数ペア:

[(1, 18919430), (2, 9459715), (5, 3783886), (10, 1891943), (167, 113290), (334, 56645), (835, 22658), (1670, 11329)]