18921786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{661}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 40927488

約数和(自身を除く): 22005702

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 367, 661, 734, 1101, 1322, 1983, 2202, 3966, 4771, 8593, 9542, 14313, 17186, 25779, 28626, 51558, 242587, 485174, 727761, 1455522, 3153631, 6307262, 9460893, 18921786]

約数ペア:

[(1, 18921786), (2, 9460893), (3, 6307262), (6, 3153631), (13, 1455522), (26, 727761), (39, 485174), (78, 242587), (367, 51558), (661, 28626), (734, 25779), (1101, 17186), (1322, 14313), (1983, 9542), (2202, 8593), (3966, 4771)]