18968586

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 47712000

約数和(自身を除く): 28743414

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 546, 637, 686, 709, 1029, 1274, 1418, 1911, 2058, 2127, 3822, 4254, 4459, 4963, 8918, 9217, 9926, 13377, 14889, 18434, 26754, 27651, 29778, 34741, 55302, 64519, 69482, 104223, 129038, 193557, 208446, 243187, 387114, 451633, 486374, 729561, 903266, 1354899, 1459122, 2709798, 3161431, 6322862, 9484293, 18968586]

約数ペア:

[(1, 18968586), (2, 9484293), (3, 6322862), (6, 3161431), (7, 2709798), (13, 1459122), (14, 1354899), (21, 903266), (26, 729561), (39, 486374), (42, 451633), (49, 387114), (78, 243187), (91, 208446), (98, 193557), (147, 129038), (182, 104223), (273, 69482), (294, 64519), (343, 55302), (546, 34741), (637, 29778), (686, 27651), (709, 26754), (1029, 18434), (1274, 14889), (1418, 13377), (1911, 9926), (2058, 9217), (2127, 8918), (3822, 4963), (4254, 4459)]