20189505028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2341}}^1\times {\mathrm{28001}}^1$

素因数の和:30364

約数の個数: 48

約数和(自身を含む): 44070219648

約数和(自身を除く): 23880714620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2341, 4682, 9364, 16387, 25751, 28001, 32774, 51502, 56002, 65548, 103004, 112004, 180257, 196007, 308011, 360514, 392014, 616022, 721028, 784028, 1232044, 2156077, 4312154, 8624308, 65550341, 131100682, 262201364, 458852387, 721053751, 917704774, 1442107502, 1835409548, 2884215004, 5047376257, 10094752514, 20189505028]

約数ペア:

[(1, 20189505028), (2, 10094752514), (4, 5047376257), (7, 2884215004), (11, 1835409548), (14, 1442107502), (22, 917704774), (28, 721053751), (44, 458852387), (77, 262201364), (154, 131100682), (308, 65550341), (2341, 8624308), (4682, 4312154), (9364, 2156077), (16387, 1232044), (25751, 784028), (28001, 721028), (32774, 616022), (51502, 392014), (56002, 360514), (65548, 308011), (103004, 196007), (112004, 180257)]