19736418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 42682752

約数和(自身を除く): 22946334

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 401, 631, 802, 1203, 1262, 1893, 2406, 3786, 5213, 8203, 10426, 15639, 16406, 24609, 31278, 49218, 253031, 506062, 759093, 1518186, 3289403, 6578806, 9868209, 19736418]

約数ペア:

[(1, 19736418), (2, 9868209), (3, 6578806), (6, 3289403), (13, 1518186), (26, 759093), (39, 506062), (78, 253031), (401, 49218), (631, 31278), (802, 24609), (1203, 16406), (1262, 15639), (1893, 10426), (2406, 8203), (3786, 5213)]