19101910

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 35292672

約数和(自身を除く): 16190762

約数列:

[1, 2, 5, 10, 73, 137, 146, 191, 274, 365, 382, 685, 730, 955, 1370, 1910, 10001, 13943, 20002, 26167, 27886, 50005, 52334, 69715, 100010, 130835, 139430, 261670, 1910191, 3820382, 9550955, 19101910]

約数ペア:

[(1, 19101910), (2, 9550955), (5, 3820382), (10, 1910191), (73, 261670), (137, 139430), (146, 130835), (191, 100010), (274, 69715), (365, 52334), (382, 50005), (685, 27886), (730, 26167), (955, 20002), (1370, 13943), (1910, 10001)]