18605428

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 33202400

約数和(自身を除く): 14596972

約数列:

[1, 2, 4, 109, 139, 218, 278, 307, 436, 556, 614, 1228, 15151, 30302, 33463, 42673, 60604, 66926, 85346, 133852, 170692, 4651357, 9302714, 18605428]

約数ペア:

[(1, 18605428), (2, 9302714), (4, 4651357), (109, 170692), (139, 133852), (218, 85346), (278, 66926), (307, 60604), (436, 42673), (556, 33463), (614, 30302), (1228, 15151)]