18863388

素因数分解:

$2^2\times 3^3\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 30276612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 389, 449, 778, 898, 1167, 1347, 1556, 1796, 2334, 2694, 3501, 4041, 4668, 5388, 7002, 8082, 10503, 12123, 14004, 16164, 21006, 24246, 42012, 48492, 174661, 349322, 523983, 698644, 1047966, 1571949, 2095932, 3143898, 4715847, 6287796, 9431694, 18863388]

約数ペア:

[(1, 18863388), (2, 9431694), (3, 6287796), (4, 4715847), (6, 3143898), (9, 2095932), (12, 1571949), (18, 1047966), (27, 698644), (36, 523983), (54, 349322), (108, 174661), (389, 48492), (449, 42012), (778, 24246), (898, 21006), (1167, 16164), (1347, 14004), (1556, 12123), (1796, 10503), (2334, 8082), (2694, 7002), (3501, 5388), (4041, 4668)]