18962955

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 37121760

約数和(自身を除く): 18158805

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1321, 1595, 2871, 3963, 4785, 6605, 11889, 14355, 14531, 19815, 38309, 43593, 59445, 72655, 114927, 130779, 191545, 217965, 344781, 421399, 574635, 653895, 1264197, 1723905, 2106995, 3792591, 6320985, 18962955]

約数ペア:

[(1, 18962955), (3, 6320985), (5, 3792591), (9, 2106995), (11, 1723905), (15, 1264197), (29, 653895), (33, 574635), (45, 421399), (55, 344781), (87, 217965), (99, 191545), (145, 130779), (165, 114927), (261, 72655), (319, 59445), (435, 43593), (495, 38309), (957, 19815), (1305, 14531), (1321, 14355), (1595, 11889), (2871, 6605), (3963, 4785)]