19963130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1429}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19573510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1429, 2794, 2858, 6985, 7145, 13970, 14290, 15719, 31438, 78595, 157190, 181483, 362966, 907415, 1814830, 1996313, 3992626, 9981565, 19963130]

約数ペア:

[(1, 19963130), (2, 9981565), (5, 3992626), (10, 1996313), (11, 1814830), (22, 907415), (55, 362966), (110, 181483), (127, 157190), (254, 78595), (635, 31438), (1270, 15719), (1397, 14290), (1429, 13970), (2794, 7145), (2858, 6985)]