18300705

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 31094400

約数和(自身を除く): 12793695

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 409, 471, 785, 1227, 2045, 2355, 2983, 6135, 7771, 8949, 14915, 23313, 38855, 44745, 64213, 116565, 192639, 321065, 963195, 1220047, 3660141, 6100235, 18300705]

約数ペア:

[(1, 18300705), (3, 6100235), (5, 3660141), (15, 1220047), (19, 963195), (57, 321065), (95, 192639), (157, 116565), (285, 64213), (409, 44745), (471, 38855), (785, 23313), (1227, 14915), (2045, 8949), (2355, 7771), (2983, 6135)]