18492040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 47928960

約数和(自身を除く): 29436920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 313, 422, 626, 844, 1055, 1252, 1477, 1565, 1688, 2110, 2191, 2504, 2954, 3130, 4220, 4382, 5908, 6260, 7385, 8440, 8764, 10955, 11816, 12520, 14770, 17528, 21910, 29540, 43820, 59080, 66043, 87640, 132086, 264172, 330215, 462301, 528344, 660430, 924602, 1320860, 1849204, 2311505, 2641720, 3698408, 4623010, 9246020, 18492040]

約数ペア:

[(1, 18492040), (2, 9246020), (4, 4623010), (5, 3698408), (7, 2641720), (8, 2311505), (10, 1849204), (14, 1320860), (20, 924602), (28, 660430), (35, 528344), (40, 462301), (56, 330215), (70, 264172), (140, 132086), (211, 87640), (280, 66043), (313, 59080), (422, 43820), (626, 29540), (844, 21910), (1055, 17528), (1252, 14770), (1477, 12520), (1565, 11816), (1688, 10955), (2110, 8764), (2191, 8440), (2504, 7385), (2954, 6260), (3130, 5908), (4220, 4382)]