18364840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35317}}^1$

素因数の和:35341

約数の個数: 32

約数和(自身を含む): 44500680

約数和(自身を除く): 26135840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35317, 70634, 141268, 176585, 282536, 353170, 459121, 706340, 918242, 1412680, 1836484, 2295605, 3672968, 4591210, 9182420, 18364840]

約数ペア:

[(1, 18364840), (2, 9182420), (4, 4591210), (5, 3672968), (8, 2295605), (10, 1836484), (13, 1412680), (20, 918242), (26, 706340), (40, 459121), (52, 353170), (65, 282536), (104, 176585), (130, 141268), (260, 70634), (520, 35317)]