181821978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2531}}^1$

素因数の和:2859

約数の個数: 48

約数和(自身を含む): 425801376

約数和(自身を除く): 243979398

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 307, 614, 921, 1842, 2531, 2763, 3991, 5062, 5526, 7593, 7982, 11973, 15186, 22779, 23946, 32903, 35919, 45558, 65806, 71838, 98709, 197418, 296127, 592254, 777017, 1554034, 2331051, 4662102, 6993153, 10101221, 13986306, 20202442, 30303663, 60607326, 90910989, 181821978]

約数ペア:

[(1, 181821978), (2, 90910989), (3, 60607326), (6, 30303663), (9, 20202442), (13, 13986306), (18, 10101221), (26, 6993153), (39, 4662102), (78, 2331051), (117, 1554034), (234, 777017), (307, 592254), (614, 296127), (921, 197418), (1842, 98709), (2531, 71838), (2763, 65806), (3991, 45558), (5062, 35919), (5526, 32903), (7593, 23946), (7982, 22779), (11973, 15186)]