19846528

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11927}}^1$

素因数の和:11954

約数の個数: 32

約数和(自身を含む): 42582960

約数和(自身を除く): 22736432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11927, 23854, 47708, 95416, 155051, 190832, 310102, 381664, 620204, 763328, 1240408, 1526656, 2480816, 4961632, 9923264, 19846528]

約数ペア:

[(1, 19846528), (2, 9923264), (4, 4961632), (8, 2480816), (13, 1526656), (16, 1240408), (26, 763328), (32, 620204), (52, 381664), (64, 310102), (104, 190832), (128, 155051), (208, 95416), (416, 47708), (832, 23854), (1664, 11927)]