19970291090

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2473}}^1\times {\mathrm{13687}}^1$

素因数の和:16226

約数の個数: 32

約数和(自身を含む): 36573240960

約数和(自身を除く): 16602949870

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 2473, 4946, 12365, 13687, 24730, 27374, 68435, 136870, 145907, 291814, 729535, 807533, 1459070, 1615066, 4037665, 8075330, 33847951, 67695902, 169239755, 338479510, 1997029109, 3994058218, 9985145545, 19970291090]

約数ペア:

[(1, 19970291090), (2, 9985145545), (5, 3994058218), (10, 1997029109), (59, 338479510), (118, 169239755), (295, 67695902), (590, 33847951), (2473, 8075330), (4946, 4037665), (12365, 1615066), (13687, 1459070), (24730, 807533), (27374, 729535), (68435, 291814), (136870, 145907)]