19688118

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 40666752

約数和(自身を除く): 20978634

約数列:

[1, 2, 3, 6, 41, 82, 123, 163, 246, 326, 489, 491, 978, 982, 1473, 2946, 6683, 13366, 20049, 20131, 40098, 40262, 60393, 80033, 120786, 160066, 240099, 480198, 3281353, 6562706, 9844059, 19688118]

約数ペア:

[(1, 19688118), (2, 9844059), (3, 6562706), (6, 3281353), (41, 480198), (82, 240099), (123, 160066), (163, 120786), (246, 80033), (326, 60393), (489, 40262), (491, 40098), (978, 20131), (982, 20049), (1473, 13366), (2946, 6683)]