19645857544

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1\times {\mathrm{593}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 38027880000

約数和(自身を除く): 18382022456

約数列:

[1, 2, 4, 8, 43, 86, 172, 193, 344, 386, 499, 593, 772, 998, 1186, 1544, 1996, 2372, 3992, 4744, 8299, 16598, 21457, 25499, 33196, 42914, 50998, 66392, 85828, 96307, 101996, 114449, 171656, 192614, 203992, 228898, 295907, 385228, 457796, 591814, 770456, 915592, 1183628, 2367256, 4141201, 4921307, 8282402, 9842614, 12724001, 16564804, 19685228, 25448002, 33129608, 39370456, 50896004, 57110051, 101792008, 114220102, 228440204, 456880408, 2455732193, 4911464386, 9822928772, 19645857544]

約数ペア:

[(1, 19645857544), (2, 9822928772), (4, 4911464386), (8, 2455732193), (43, 456880408), (86, 228440204), (172, 114220102), (193, 101792008), (344, 57110051), (386, 50896004), (499, 39370456), (593, 33129608), (772, 25448002), (998, 19685228), (1186, 16564804), (1544, 12724001), (1996, 9842614), (2372, 8282402), (3992, 4921307), (4744, 4141201), (8299, 2367256), (16598, 1183628), (21457, 915592), (25499, 770456), (33196, 591814), (42914, 457796), (50998, 385228), (66392, 295907), (85828, 228898), (96307, 203992), (101996, 192614), (114449, 171656)]