18500252

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 33047280

約数和(自身を除く): 14547028

約数列:

[1, 2, 4, 89, 157, 178, 314, 331, 356, 628, 662, 1324, 13973, 27946, 29459, 51967, 55892, 58918, 103934, 117836, 207868, 4625063, 9250126, 18500252]

約数ペア:

[(1, 18500252), (2, 9250126), (4, 4625063), (89, 207868), (157, 117836), (178, 103934), (314, 58918), (331, 55892), (356, 51967), (628, 29459), (662, 27946), (1324, 13973)]