20181279970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1455031}}^1$

素因数の和:1455130

約数の個数: 32

約数和(自身を含む): 38762052480

約数和(自身を除く): 18580772510

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 6935, 13870, 1455031, 2910062, 7275155, 14550310, 27645589, 55291178, 106217263, 138227945, 212434526, 276455890, 531086315, 1062172630, 2018127997, 4036255994, 10090639985, 20181279970]

約数ペア:

[(1, 20181279970), (2, 10090639985), (5, 4036255994), (10, 2018127997), (19, 1062172630), (38, 531086315), (73, 276455890), (95, 212434526), (146, 138227945), (190, 106217263), (365, 55291178), (730, 27645589), (1387, 14550310), (2774, 7275155), (6935, 2910062), (13870, 1455031)]