19909854

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5503}}^1$

素因数の和:5581

約数の個数: 32

約数和(自身を含む): 44912640

約数和(自身を除く): 25002786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5503, 11006, 16509, 33018, 49527, 99054, 148581, 297162, 368701, 737402, 1106103, 2212206, 3318309, 6636618, 9954927, 19909854]

約数ペア:

[(1, 19909854), (2, 9954927), (3, 6636618), (6, 3318309), (9, 2212206), (18, 1106103), (27, 737402), (54, 368701), (67, 297162), (134, 148581), (201, 99054), (402, 49527), (603, 33018), (1206, 16509), (1809, 11006), (3618, 5503)]