18019695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 13660305

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 2749, 6555, 8247, 13745, 41235, 52231, 63227, 156693, 189681, 261155, 316135, 783465, 948405, 1201313, 3603939, 6006565, 18019695]

約数ペア:

[(1, 18019695), (3, 6006565), (5, 3603939), (15, 1201313), (19, 948405), (23, 783465), (57, 316135), (69, 261155), (95, 189681), (115, 156693), (285, 63227), (345, 52231), (437, 41235), (1311, 13745), (2185, 8247), (2749, 6555)]