18967660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30593}}^1$

素因数の和:30633

約数の個数: 24

約数和(自身を含む): 41118336

約数和(自身を除く): 22150676

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30593, 61186, 122372, 152965, 305930, 611860, 948383, 1896766, 3793532, 4741915, 9483830, 18967660]

約数ペア:

[(1, 18967660), (2, 9483830), (4, 4741915), (5, 3793532), (10, 1896766), (20, 948383), (31, 611860), (62, 305930), (124, 152965), (155, 122372), (310, 61186), (620, 30593)]