18968495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 28643328

約数和(自身を除く): 9674833

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 887, 1645, 3055, 4277, 4435, 6209, 11531, 21385, 31045, 41689, 57655, 80717, 208445, 291823, 403585, 541957, 1459115, 2709785, 3793699, 18968495]

約数ペア:

[(1, 18968495), (5, 3793699), (7, 2709785), (13, 1459115), (35, 541957), (47, 403585), (65, 291823), (91, 208445), (235, 80717), (329, 57655), (455, 41689), (611, 31045), (887, 21385), (1645, 11531), (3055, 6209), (4277, 4435)]