18965808

素因数分解:

$2^4\times 3^2\times {\mathrm{131707}}^1$

素因数の和:131721

約数の個数: 30

約数和(自身を含む): 53078324

約数和(自身を除く): 34112516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 131707, 263414, 395121, 526828, 790242, 1053656, 1185363, 1580484, 2107312, 2370726, 3160968, 4741452, 6321936, 9482904, 18965808]

約数ペア:

[(1, 18965808), (2, 9482904), (3, 6321936), (4, 4741452), (6, 3160968), (8, 2370726), (9, 2107312), (12, 1580484), (16, 1185363), (18, 1053656), (24, 790242), (36, 526828), (48, 395121), (72, 263414), (144, 131707)]