19363815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 35785152

約数和(自身を除く): 16421337

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 353, 477, 795, 1035, 1059, 1219, 1765, 2385, 3177, 3657, 5295, 6095, 8119, 10971, 15885, 18285, 18709, 24357, 40595, 54855, 56127, 73071, 93545, 121785, 168381, 280635, 365355, 430307, 841905, 1290921, 2151535, 3872763, 6454605, 19363815]

約数ペア:

[(1, 19363815), (3, 6454605), (5, 3872763), (9, 2151535), (15, 1290921), (23, 841905), (45, 430307), (53, 365355), (69, 280635), (115, 168381), (159, 121785), (207, 93545), (265, 73071), (345, 56127), (353, 54855), (477, 40595), (795, 24357), (1035, 18709), (1059, 18285), (1219, 15885), (1765, 10971), (2385, 8119), (3177, 6095), (3657, 5295)]