18389190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 29303610

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 667, 690, 870, 919, 1334, 1838, 2001, 2757, 3335, 4002, 4595, 5514, 6670, 9190, 10005, 13785, 20010, 21137, 26651, 27570, 42274, 53302, 63411, 79953, 105685, 126822, 133255, 159906, 211370, 266510, 317055, 399765, 612973, 634110, 799530, 1225946, 1838919, 3064865, 3677838, 6129730, 9194595, 18389190]

約数ペア:

[(1, 18389190), (2, 9194595), (3, 6129730), (5, 3677838), (6, 3064865), (10, 1838919), (15, 1225946), (23, 799530), (29, 634110), (30, 612973), (46, 399765), (58, 317055), (69, 266510), (87, 211370), (115, 159906), (138, 133255), (145, 126822), (174, 105685), (230, 79953), (290, 63411), (345, 53302), (435, 42274), (667, 27570), (690, 26651), (870, 21137), (919, 20010), (1334, 13785), (1838, 10005), (2001, 9190), (2757, 6670), (3335, 5514), (4002, 4595)]