19227130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 38790144

約数和(自身を除く): 19563014

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 367, 403, 734, 806, 845, 1690, 1835, 2015, 3670, 4030, 4771, 5239, 9542, 10478, 11377, 22754, 23855, 26195, 47710, 52390, 56885, 62023, 113770, 124046, 147901, 295802, 310115, 620230, 739505, 1479010, 1922713, 3845426, 9613565, 19227130]

約数ペア:

[(1, 19227130), (2, 9613565), (5, 3845426), (10, 1922713), (13, 1479010), (26, 739505), (31, 620230), (62, 310115), (65, 295802), (130, 147901), (155, 124046), (169, 113770), (310, 62023), (338, 56885), (367, 52390), (403, 47710), (734, 26195), (806, 23855), (845, 22754), (1690, 11377), (1835, 10478), (2015, 9542), (3670, 5239), (4030, 4771)]