18979786

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4691}}^1$

素因数の和:4734

約数の個数: 24

約数和(自身を含む): 34570656

約数和(自身を除く): 15590870

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 4691, 9382, 32837, 65674, 79747, 159494, 558229, 1116458, 1355699, 2711398, 9489893, 18979786]

約数ペア:

[(1, 18979786), (2, 9489893), (7, 2711398), (14, 1355699), (17, 1116458), (34, 558229), (119, 159494), (238, 79747), (289, 65674), (578, 32837), (2023, 9382), (4046, 4691)]