18216396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 50725584

約数和(自身を除く): 32509188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 293, 314, 396, 471, 586, 628, 879, 942, 1172, 1413, 1727, 1758, 1884, 2637, 2826, 3223, 3454, 3516, 5181, 5274, 5652, 6446, 6908, 9669, 10362, 10548, 12892, 15543, 19338, 20724, 29007, 31086, 38676, 46001, 58014, 62172, 92002, 116028, 138003, 184004, 276006, 414009, 506011, 552012, 828018, 1012022, 1518033, 1656036, 2024044, 3036066, 4554099, 6072132, 9108198, 18216396]

約数ペア:

[(1, 18216396), (2, 9108198), (3, 6072132), (4, 4554099), (6, 3036066), (9, 2024044), (11, 1656036), (12, 1518033), (18, 1012022), (22, 828018), (33, 552012), (36, 506011), (44, 414009), (66, 276006), (99, 184004), (132, 138003), (157, 116028), (198, 92002), (293, 62172), (314, 58014), (396, 46001), (471, 38676), (586, 31086), (628, 29007), (879, 20724), (942, 19338), (1172, 15543), (1413, 12892), (1727, 10548), (1758, 10362), (1884, 9669), (2637, 6908), (2826, 6446), (3223, 5652), (3454, 5274), (3516, 5181)]