19012450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 18306590

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 74, 86, 185, 215, 239, 370, 430, 478, 925, 1075, 1195, 1591, 1850, 2150, 2390, 3182, 5975, 7955, 8843, 10277, 11950, 15910, 17686, 20554, 39775, 44215, 51385, 79550, 88430, 102770, 221075, 256925, 380249, 442150, 513850, 760498, 1901245, 3802490, 9506225, 19012450]

約数ペア:

[(1, 19012450), (2, 9506225), (5, 3802490), (10, 1901245), (25, 760498), (37, 513850), (43, 442150), (50, 380249), (74, 256925), (86, 221075), (185, 102770), (215, 88430), (239, 79550), (370, 51385), (430, 44215), (478, 39775), (925, 20554), (1075, 17686), (1195, 15910), (1591, 11950), (1850, 10277), (2150, 8843), (2390, 7955), (3182, 5975)]