19850792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1171}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 40363680

約数和(自身を除く): 20512888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1171, 1304, 2119, 2342, 4238, 4684, 8476, 9368, 15223, 16952, 30446, 60892, 121784, 190873, 381746, 763492, 1526984, 2481349, 4962698, 9925396, 19850792]

約数ペア:

[(1, 19850792), (2, 9925396), (4, 4962698), (8, 2481349), (13, 1526984), (26, 763492), (52, 381746), (104, 190873), (163, 121784), (326, 60892), (652, 30446), (1171, 16952), (1304, 15223), (2119, 9368), (2342, 8476), (4238, 4684)]