18391272

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29508888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 71, 86, 129, 142, 172, 213, 251, 258, 284, 344, 426, 502, 516, 568, 753, 852, 1004, 1032, 1506, 1704, 2008, 3012, 3053, 6024, 6106, 9159, 10793, 12212, 17821, 18318, 21586, 24424, 32379, 35642, 36636, 43172, 53463, 64758, 71284, 73272, 86344, 106926, 129516, 142568, 213852, 259032, 427704, 766303, 1532606, 2298909, 3065212, 4597818, 6130424, 9195636, 18391272]

約数ペア:

[(1, 18391272), (2, 9195636), (3, 6130424), (4, 4597818), (6, 3065212), (8, 2298909), (12, 1532606), (24, 766303), (43, 427704), (71, 259032), (86, 213852), (129, 142568), (142, 129516), (172, 106926), (213, 86344), (251, 73272), (258, 71284), (284, 64758), (344, 53463), (426, 43172), (502, 36636), (516, 35642), (568, 32379), (753, 24424), (852, 21586), (1004, 18318), (1032, 17821), (1506, 12212), (1704, 10793), (2008, 9159), (3012, 6106), (3053, 6024)]