19151230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 39704256

約数和(自身を除く): 20553026

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 1997, 3994, 4795, 9590, 9985, 13979, 19970, 27958, 69895, 139790, 273589, 547178, 1367945, 1915123, 2735890, 3830246, 9575615, 19151230]

約数ペア:

[(1, 19151230), (2, 9575615), (5, 3830246), (7, 2735890), (10, 1915123), (14, 1367945), (35, 547178), (70, 273589), (137, 139790), (274, 69895), (685, 27958), (959, 19970), (1370, 13979), (1918, 9985), (1997, 9590), (3994, 4795)]