18919284

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{42611}}^1$

素因数の和:42655

約数の個数: 24

約数和(自身を含む): 45339168

約数和(自身を除く): 26419884

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 42611, 85222, 127833, 170444, 255666, 511332, 1576607, 3153214, 4729821, 6306428, 9459642, 18919284]

約数ペア:

[(1, 18919284), (2, 9459642), (3, 6306428), (4, 4729821), (6, 3153214), (12, 1576607), (37, 511332), (74, 255666), (111, 170444), (148, 127833), (222, 85222), (444, 42611)]