20173909870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1\times {\mathrm{40697}}^1$

素因数の和:43332

約数の個数: 32

約数和(自身を含む): 38239840800

約数和(自身を除く): 18065930930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2609, 5218, 13045, 26090, 40697, 49571, 81394, 99142, 203485, 247855, 406970, 495710, 773243, 1546486, 3866215, 7732430, 106178473, 212356946, 530892365, 1061784730, 2017390987, 4034781974, 10086954935, 20173909870]

約数ペア:

[(1, 20173909870), (2, 10086954935), (5, 4034781974), (10, 2017390987), (19, 1061784730), (38, 530892365), (95, 212356946), (190, 106178473), (2609, 7732430), (5218, 3866215), (13045, 1546486), (26090, 773243), (40697, 495710), (49571, 406970), (81394, 247855), (99142, 203485)]