19401075

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 54

約数和(自身を含む): 36548876

約数和(自身を除く): 17147801

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 163, 207, 225, 345, 489, 529, 575, 815, 1035, 1467, 1587, 1725, 2445, 2645, 3749, 4075, 4761, 5175, 7335, 7935, 11247, 12225, 13225, 18745, 23805, 33741, 36675, 39675, 56235, 86227, 93725, 119025, 168705, 258681, 281175, 431135, 776043, 843525, 1293405, 2155675, 3880215, 6467025, 19401075]

約数ペア:

[(1, 19401075), (3, 6467025), (5, 3880215), (9, 2155675), (15, 1293405), (23, 843525), (25, 776043), (45, 431135), (69, 281175), (75, 258681), (115, 168705), (163, 119025), (207, 93725), (225, 86227), (345, 56235), (489, 39675), (529, 36675), (575, 33741), (815, 23805), (1035, 18745), (1467, 13225), (1587, 12225), (1725, 11247), (2445, 7935), (2645, 7335), (3749, 5175), (4075, 4761)]