18691233

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 28483584

約数和(自身を除く): 9792351

約数列:

[1, 3, 11, 31, 33, 93, 121, 151, 341, 363, 453, 1023, 1331, 1661, 3751, 3993, 4681, 4983, 11253, 14043, 18271, 41261, 51491, 54813, 123783, 154473, 200981, 566401, 602943, 1699203, 6230411, 18691233]

約数ペア:

[(1, 18691233), (3, 6230411), (11, 1699203), (31, 602943), (33, 566401), (93, 200981), (121, 154473), (151, 123783), (341, 54813), (363, 51491), (453, 41261), (1023, 18271), (1331, 14043), (1661, 11253), (3751, 4983), (3993, 4681)]