19015380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 58149000

約数和(自身を除く): 39133620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 709, 745, 894, 1341, 1418, 1490, 1788, 2127, 2235, 2682, 2836, 2980, 3545, 4254, 4470, 5364, 6381, 6705, 7090, 8508, 8940, 10635, 12762, 13410, 14180, 21270, 25524, 26820, 31905, 42540, 63810, 105641, 127620, 211282, 316923, 422564, 528205, 633846, 950769, 1056410, 1267692, 1584615, 1901538, 2112820, 3169230, 3803076, 4753845, 6338460, 9507690, 19015380]

約数ペア:

[(1, 19015380), (2, 9507690), (3, 6338460), (4, 4753845), (5, 3803076), (6, 3169230), (9, 2112820), (10, 1901538), (12, 1584615), (15, 1267692), (18, 1056410), (20, 950769), (30, 633846), (36, 528205), (45, 422564), (60, 316923), (90, 211282), (149, 127620), (180, 105641), (298, 63810), (447, 42540), (596, 31905), (709, 26820), (745, 25524), (894, 21270), (1341, 14180), (1418, 13410), (1490, 12762), (1788, 10635), (2127, 8940), (2235, 8508), (2682, 7090), (2836, 6705), (2980, 6381), (3545, 5364), (4254, 4470)]