19630970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 36892800

約数和(自身を除く): 17261830

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 487, 695, 974, 1390, 2435, 4031, 4870, 8062, 14123, 20155, 28246, 40310, 67693, 70615, 135386, 141230, 338465, 676930, 1963097, 3926194, 9815485, 19630970]

約数ペア:

[(1, 19630970), (2, 9815485), (5, 3926194), (10, 1963097), (29, 676930), (58, 338465), (139, 141230), (145, 135386), (278, 70615), (290, 67693), (487, 40310), (695, 28246), (974, 20155), (1390, 14123), (2435, 8062), (4031, 4870)]