18946812

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 45879680

約数和(自身を除く): 26932868

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 139, 148, 222, 278, 307, 417, 444, 556, 614, 834, 921, 1228, 1668, 1842, 3684, 5143, 10286, 11359, 15429, 20572, 22718, 30858, 34077, 42673, 45436, 61716, 68154, 85346, 128019, 136308, 170692, 256038, 512076, 1578901, 3157802, 4736703, 6315604, 9473406, 18946812]

約数ペア:

[(1, 18946812), (2, 9473406), (3, 6315604), (4, 4736703), (6, 3157802), (12, 1578901), (37, 512076), (74, 256038), (111, 170692), (139, 136308), (148, 128019), (222, 85346), (278, 68154), (307, 61716), (417, 45436), (444, 42673), (556, 34077), (614, 30858), (834, 22718), (921, 20572), (1228, 15429), (1668, 11359), (1842, 10286), (3684, 5143)]