22489818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 28603686

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 71, 78, 93, 131, 142, 186, 213, 262, 393, 403, 426, 786, 806, 923, 1209, 1703, 1846, 2201, 2418, 2769, 3406, 4061, 4402, 5109, 5538, 6603, 8122, 9301, 10218, 12183, 13206, 18602, 24366, 27903, 28613, 52793, 55806, 57226, 85839, 105586, 120913, 158379, 171678, 241826, 288331, 316758, 362739, 576662, 725478, 864993, 1729986, 3748303, 7496606, 11244909, 22489818]

約数ペア:

[(1, 22489818), (2, 11244909), (3, 7496606), (6, 3748303), (13, 1729986), (26, 864993), (31, 725478), (39, 576662), (62, 362739), (71, 316758), (78, 288331), (93, 241826), (131, 171678), (142, 158379), (186, 120913), (213, 105586), (262, 85839), (393, 57226), (403, 55806), (426, 52793), (786, 28613), (806, 27903), (923, 24366), (1209, 18602), (1703, 13206), (1846, 12183), (2201, 10218), (2418, 9301), (2769, 8122), (3406, 6603), (4061, 5538), (4402, 5109)]