18965570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6343}}^1$

素因数の和:6386

約数の個数: 32

約数和(自身を含む): 38368512

約数和(自身を除く): 19402942

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6343, 12686, 31715, 63430, 82459, 145889, 164918, 291778, 412295, 729445, 824590, 1458890, 1896557, 3793114, 9482785, 18965570]

約数ペア:

[(1, 18965570), (2, 9482785), (5, 3793114), (10, 1896557), (13, 1458890), (23, 824590), (26, 729445), (46, 412295), (65, 291778), (115, 164918), (130, 145889), (230, 82459), (299, 63430), (598, 31715), (1495, 12686), (2990, 6343)]