19461320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 47736000

約数和(自身を除く): 28274680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 883, 1102, 1160, 1766, 2204, 2755, 3532, 4408, 4415, 5510, 7064, 8830, 11020, 16777, 17660, 22040, 25607, 33554, 35320, 51214, 67108, 83885, 102428, 128035, 134216, 167770, 204856, 256070, 335540, 486533, 512140, 671080, 973066, 1024280, 1946132, 2432665, 3892264, 4865330, 9730660, 19461320]

約数ペア:

[(1, 19461320), (2, 9730660), (4, 4865330), (5, 3892264), (8, 2432665), (10, 1946132), (19, 1024280), (20, 973066), (29, 671080), (38, 512140), (40, 486533), (58, 335540), (76, 256070), (95, 204856), (116, 167770), (145, 134216), (152, 128035), (190, 102428), (232, 83885), (290, 67108), (380, 51214), (551, 35320), (580, 33554), (760, 25607), (883, 22040), (1102, 17660), (1160, 16777), (1766, 11020), (2204, 8830), (2755, 7064), (3532, 5510), (4408, 4415)]