18408568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 36604800

約数和(自身を除く): 18196232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 652, 743, 1304, 1486, 2972, 3097, 5944, 6194, 12388, 14117, 24776, 28234, 56468, 112936, 121109, 242218, 484436, 968872, 2301071, 4602142, 9204284, 18408568]

約数ペア:

[(1, 18408568), (2, 9204284), (4, 4602142), (8, 2301071), (19, 968872), (38, 484436), (76, 242218), (152, 121109), (163, 112936), (326, 56468), (652, 28234), (743, 24776), (1304, 14117), (1486, 12388), (2972, 6194), (3097, 5944)]