18956469

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 30662656

約数和(自身を除く): 11706187

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 787, 1147, 2361, 3441, 5509, 8029, 16527, 24087, 24397, 29119, 73191, 87357, 170779, 203833, 512337, 611499, 902689, 2708067, 6318823, 18956469]

約数ペア:

[(1, 18956469), (3, 6318823), (7, 2708067), (21, 902689), (31, 611499), (37, 512337), (93, 203833), (111, 170779), (217, 87357), (259, 73191), (651, 29119), (777, 24397), (787, 24087), (1147, 16527), (2361, 8029), (3441, 5509)]