19856512

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11933}}^1$

素因数の和:11960

約数の個数: 32

約数和(自身を含む): 42604380

約数和(自身を除く): 22747868

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11933, 23866, 47732, 95464, 155129, 190928, 310258, 381856, 620516, 763712, 1241032, 1527424, 2482064, 4964128, 9928256, 19856512]

約数ペア:

[(1, 19856512), (2, 9928256), (4, 4964128), (8, 2482064), (13, 1527424), (16, 1241032), (26, 763712), (32, 620516), (52, 381856), (64, 310258), (104, 190928), (128, 155129), (208, 95464), (416, 47732), (832, 23866), (1664, 11933)]