19904224

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{16811}}^1$

素因数の和:16858

約数の個数: 24

約数和(自身を含む): 40247928

約数和(自身を除く): 20343704

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 16811, 33622, 67244, 134488, 268976, 537952, 622007, 1244014, 2488028, 4976056, 9952112, 19904224]

約数ペア:

[(1, 19904224), (2, 9952112), (4, 4976056), (8, 2488028), (16, 1244014), (32, 622007), (37, 537952), (74, 268976), (148, 134488), (296, 67244), (592, 33622), (1184, 16811)]