19216120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 57231360

約数和(自身を除く): 38015240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 367, 374, 385, 440, 476, 595, 616, 680, 734, 748, 770, 935, 952, 1190, 1309, 1468, 1496, 1540, 1835, 1870, 2380, 2569, 2618, 2936, 3080, 3670, 3740, 4037, 4760, 5138, 5236, 6239, 6545, 7340, 7480, 8074, 10276, 10472, 12478, 12845, 13090, 14680, 16148, 20185, 20552, 24956, 25690, 26180, 28259, 31195, 32296, 40370, 43673, 49912, 51380, 52360, 56518, 62390, 68629, 80740, 87346, 102760, 113036, 124780, 137258, 141295, 161480, 174692, 218365, 226072, 249560, 274516, 282590, 343145, 349384, 436730, 480403, 549032, 565180, 686290, 873460, 960806, 1130360, 1372580, 1746920, 1921612, 2402015, 2745160, 3843224, 4804030, 9608060, 19216120]

約数ペア:

[(1, 19216120), (2, 9608060), (4, 4804030), (5, 3843224), (7, 2745160), (8, 2402015), (10, 1921612), (11, 1746920), (14, 1372580), (17, 1130360), (20, 960806), (22, 873460), (28, 686290), (34, 565180), (35, 549032), (40, 480403), (44, 436730), (55, 349384), (56, 343145), (68, 282590), (70, 274516), (77, 249560), (85, 226072), (88, 218365), (110, 174692), (119, 161480), (136, 141295), (140, 137258), (154, 124780), (170, 113036), (187, 102760), (220, 87346), (238, 80740), (280, 68629), (308, 62390), (340, 56518), (367, 52360), (374, 51380), (385, 49912), (440, 43673), (476, 40370), (595, 32296), (616, 31195), (680, 28259), (734, 26180), (748, 25690), (770, 24956), (935, 20552), (952, 20185), (1190, 16148), (1309, 14680), (1468, 13090), (1496, 12845), (1540, 12478), (1835, 10472), (1870, 10276), (2380, 8074), (2569, 7480), (2618, 7340), (2936, 6545), (3080, 6239), (3670, 5236), (3740, 5138), (4037, 4760)]