19989244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3049}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 38430000

約数和(自身を除く): 18440756

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3049, 3278, 6098, 6556, 12196, 33539, 67078, 134156, 454301, 908602, 1817204, 4997311, 9994622, 19989244]

約数ペア:

[(1, 19989244), (2, 9994622), (4, 4997311), (11, 1817204), (22, 908602), (44, 454301), (149, 134156), (298, 67078), (596, 33539), (1639, 12196), (3049, 6556), (3278, 6098)]