18887908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9817}}^1$

素因数の和:9871

約数の個数: 24

約数和(自身を含む): 36562232

約数和(自身を除く): 17674324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 9817, 19634, 39268, 127621, 255242, 363229, 510484, 726458, 1452916, 4721977, 9443954, 18887908]

約数ペア:

[(1, 18887908), (2, 9443954), (4, 4721977), (13, 1452916), (26, 726458), (37, 510484), (52, 363229), (74, 255242), (148, 127621), (481, 39268), (962, 19634), (1924, 9817)]