19472804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 39102000

約数和(自身を除く): 19629196

約数列:

[1, 2, 4, 13, 26, 29, 37, 52, 58, 74, 116, 148, 349, 377, 481, 698, 754, 962, 1073, 1396, 1508, 1924, 2146, 4292, 4537, 9074, 10121, 12913, 13949, 18148, 20242, 25826, 27898, 40484, 51652, 55796, 131573, 167869, 263146, 335738, 374477, 526292, 671476, 748954, 1497908, 4868201, 9736402, 19472804]

約数ペア:

[(1, 19472804), (2, 9736402), (4, 4868201), (13, 1497908), (26, 748954), (29, 671476), (37, 526292), (52, 374477), (58, 335738), (74, 263146), (116, 167869), (148, 131573), (349, 55796), (377, 51652), (481, 40484), (698, 27898), (754, 25826), (962, 20242), (1073, 18148), (1396, 13949), (1508, 12913), (1924, 10121), (2146, 9074), (4292, 4537)]