19504061620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1\times {\mathrm{12781}}^1$

素因数の和:14692

約数の個数: 48

約数和(自身を含む): 41983348176

約数和(自身を除く): 22479286556

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1861, 3722, 7444, 9305, 12781, 18610, 25562, 37220, 51124, 63905, 76301, 127810, 152602, 255620, 305204, 381505, 524021, 763010, 1048042, 1526020, 2096084, 2620105, 5240210, 10480420, 23785441, 47570882, 95141764, 118927205, 237854410, 475708820, 975203081, 1950406162, 3900812324, 4876015405, 9752030810, 19504061620]

約数ペア:

[(1, 19504061620), (2, 9752030810), (4, 4876015405), (5, 3900812324), (10, 1950406162), (20, 975203081), (41, 475708820), (82, 237854410), (164, 118927205), (205, 95141764), (410, 47570882), (820, 23785441), (1861, 10480420), (3722, 5240210), (7444, 2620105), (9305, 2096084), (12781, 1526020), (18610, 1048042), (25562, 763010), (37220, 524021), (51124, 381505), (63905, 305204), (76301, 255620), (127810, 152602)]