19694460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5381}}^1$

素因数の和:5454

約数の個数: 48

約数和(自身を含む): 56058912

約数和(自身を除く): 36364452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5381, 10762, 16143, 21524, 26905, 32286, 53810, 64572, 80715, 107620, 161430, 322860, 328241, 656482, 984723, 1312964, 1641205, 1969446, 3282410, 3938892, 4923615, 6564820, 9847230, 19694460]

約数ペア:

[(1, 19694460), (2, 9847230), (3, 6564820), (4, 4923615), (5, 3938892), (6, 3282410), (10, 1969446), (12, 1641205), (15, 1312964), (20, 984723), (30, 656482), (60, 328241), (61, 322860), (122, 161430), (183, 107620), (244, 80715), (305, 64572), (366, 53810), (610, 32286), (732, 26905), (915, 21524), (1220, 16143), (1830, 10762), (3660, 5381)]