19045180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31758020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 140, 149, 154, 166, 220, 298, 308, 332, 385, 415, 581, 596, 745, 770, 830, 913, 1043, 1162, 1490, 1540, 1639, 1660, 1826, 2086, 2324, 2905, 2980, 3278, 3652, 4172, 4565, 5215, 5810, 6391, 6556, 8195, 9130, 10430, 11473, 11620, 12367, 12782, 16390, 18260, 20860, 22946, 24734, 25564, 31955, 32780, 45892, 49468, 57365, 61835, 63910, 86569, 114730, 123670, 127820, 136037, 173138, 229460, 247340, 272074, 346276, 432845, 544148, 680185, 865690, 952259, 1360370, 1731380, 1904518, 2720740, 3809036, 4761295, 9522590, 19045180]

約数ペア:

[(1, 19045180), (2, 9522590), (4, 4761295), (5, 3809036), (7, 2720740), (10, 1904518), (11, 1731380), (14, 1360370), (20, 952259), (22, 865690), (28, 680185), (35, 544148), (44, 432845), (55, 346276), (70, 272074), (77, 247340), (83, 229460), (110, 173138), (140, 136037), (149, 127820), (154, 123670), (166, 114730), (220, 86569), (298, 63910), (308, 61835), (332, 57365), (385, 49468), (415, 45892), (581, 32780), (596, 31955), (745, 25564), (770, 24734), (830, 22946), (913, 20860), (1043, 18260), (1162, 16390), (1490, 12782), (1540, 12367), (1639, 11620), (1660, 11473), (1826, 10430), (2086, 9130), (2324, 8195), (2905, 6556), (2980, 6391), (3278, 5810), (3652, 5215), (4172, 4565)]