19005990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8923}}^1$

素因数の和:9004

約数の個数: 32

約数和(自身を含む): 46262016

約数和(自身を除く): 27256026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 8923, 17846, 26769, 44615, 53538, 89230, 133845, 267690, 633533, 1267066, 1900599, 3167665, 3801198, 6335330, 9502995, 19005990]

約数ペア:

[(1, 19005990), (2, 9502995), (3, 6335330), (5, 3801198), (6, 3167665), (10, 1900599), (15, 1267066), (30, 633533), (71, 267690), (142, 133845), (213, 89230), (355, 53538), (426, 44615), (710, 26769), (1065, 17846), (2130, 8923)]