1901211155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{1069}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 2441140800

約数和(自身を除く): 539929645

約数列:

[1, 5, 19, 95, 97, 193, 485, 965, 1069, 1843, 3667, 5345, 9215, 18335, 18721, 20311, 93605, 101555, 103693, 206317, 355699, 518465, 1031585, 1778495, 1970167, 3920023, 9850835, 19600115, 20012749, 100063745, 380242231, 1901211155]

約数ペア:

[(1, 1901211155), (5, 380242231), (19, 100063745), (95, 20012749), (97, 19600115), (193, 9850835), (485, 3920023), (965, 1970167), (1069, 1778495), (1843, 1031585), (3667, 518465), (5345, 355699), (9215, 206317), (18335, 103693), (18721, 101555), (20311, 93605)]