19475120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 33021520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 419, 560, 581, 664, 830, 838, 1162, 1328, 1660, 1676, 2095, 2324, 2905, 2933, 3320, 3352, 4190, 4648, 5810, 5866, 6640, 6704, 8380, 9296, 11620, 11732, 14665, 16760, 23240, 23464, 29330, 33520, 34777, 46480, 46928, 58660, 69554, 117320, 139108, 173885, 234640, 243439, 278216, 347770, 486878, 556432, 695540, 973756, 1217195, 1391080, 1947512, 2434390, 2782160, 3895024, 4868780, 9737560, 19475120]

約数ペア:

[(1, 19475120), (2, 9737560), (4, 4868780), (5, 3895024), (7, 2782160), (8, 2434390), (10, 1947512), (14, 1391080), (16, 1217195), (20, 973756), (28, 695540), (35, 556432), (40, 486878), (56, 347770), (70, 278216), (80, 243439), (83, 234640), (112, 173885), (140, 139108), (166, 117320), (280, 69554), (332, 58660), (415, 46928), (419, 46480), (560, 34777), (581, 33520), (664, 29330), (830, 23464), (838, 23240), (1162, 16760), (1328, 14665), (1660, 11732), (1676, 11620), (2095, 9296), (2324, 8380), (2905, 6704), (2933, 6640), (3320, 5866), (3352, 5810), (4190, 4648)]