18917068

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 34348160

約数和(自身を除く): 15431092

約数列:

[1, 2, 4, 31, 62, 124, 373, 409, 746, 818, 1492, 1636, 11563, 12679, 23126, 25358, 46252, 50716, 152557, 305114, 610228, 4729267, 9458534, 18917068]

約数ペア:

[(1, 18917068), (2, 9458534), (4, 4729267), (31, 610228), (62, 305114), (124, 152557), (373, 50716), (409, 46252), (746, 25358), (818, 23126), (1492, 12679), (1636, 11563)]