18078970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19867}}^1$

素因数の和:19894

約数の個数: 32

約数和(自身を含む): 40053888

約数和(自身を除く): 21974918

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 19867, 39734, 99335, 139069, 198670, 258271, 278138, 516542, 695345, 1291355, 1390690, 1807897, 2582710, 3615794, 9039485, 18078970]

約数ペア:

[(1, 18078970), (2, 9039485), (5, 3615794), (7, 2582710), (10, 1807897), (13, 1390690), (14, 1291355), (26, 695345), (35, 516542), (65, 278138), (70, 258271), (91, 198670), (130, 139069), (182, 99335), (455, 39734), (910, 19867)]