19654986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3761}}^1$

素因数の和:3846

約数の個数: 32

約数和(自身を含む): 42977088

約数和(自身を除く): 23322102

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 3761, 5226, 7522, 11283, 22566, 48893, 97786, 146679, 251987, 293358, 503974, 755961, 1511922, 3275831, 6551662, 9827493, 19654986]

約数ペア:

[(1, 19654986), (2, 9827493), (3, 6551662), (6, 3275831), (13, 1511922), (26, 755961), (39, 503974), (67, 293358), (78, 251987), (134, 146679), (201, 97786), (402, 48893), (871, 22566), (1742, 11283), (2613, 7522), (3761, 5226)]