2018011557

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 2811248640

約数和(自身を除く): 793237083

約数列:

[1, 3, 31, 93, 163, 239, 489, 557, 717, 1671, 5053, 7409, 15159, 17267, 22227, 38957, 51801, 90791, 116871, 133123, 272373, 399369, 1207667, 2814521, 3623001, 4126813, 8443563, 12380439, 21699049, 65097147, 672670519, 2018011557]

約数ペア:

[(1, 2018011557), (3, 672670519), (31, 65097147), (93, 21699049), (163, 12380439), (239, 8443563), (489, 4126813), (557, 3623001), (717, 2814521), (1671, 1207667), (5053, 399369), (7409, 272373), (15159, 133123), (17267, 116871), (22227, 90791), (38957, 51801)]