18876830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8699}}^1$

素因数の和:8744

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 21212770

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8699, 17398, 43495, 60893, 86990, 121786, 269669, 304465, 539338, 608930, 1348345, 1887683, 2696690, 3775366, 9438415, 18876830]

約数ペア:

[(1, 18876830), (2, 9438415), (5, 3775366), (7, 2696690), (10, 1887683), (14, 1348345), (31, 608930), (35, 539338), (62, 304465), (70, 269669), (155, 121786), (217, 86990), (310, 60893), (434, 43495), (1085, 17398), (2170, 8699)]