18334420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 23493548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 467, 604, 755, 934, 1510, 1868, 1963, 2335, 3020, 3926, 4670, 6071, 7852, 9340, 9815, 12142, 19630, 24284, 30355, 39260, 60710, 70517, 121420, 141034, 282068, 352585, 705170, 916721, 1410340, 1833442, 3666884, 4583605, 9167210, 18334420]

約数ペア:

[(1, 18334420), (2, 9167210), (4, 4583605), (5, 3666884), (10, 1833442), (13, 1410340), (20, 916721), (26, 705170), (52, 352585), (65, 282068), (130, 141034), (151, 121420), (260, 70517), (302, 60710), (467, 39260), (604, 30355), (755, 24284), (934, 19630), (1510, 12142), (1868, 9815), (1963, 9340), (2335, 7852), (3020, 6071), (3926, 4670)]