20191418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 33962880

約数和(自身を除く): 13771462

約数列:

[1, 2, 13, 26, 37, 74, 139, 151, 278, 302, 481, 962, 1807, 1963, 3614, 3926, 5143, 5587, 10286, 11174, 20989, 41978, 66859, 72631, 133718, 145262, 272857, 545714, 776593, 1553186, 10095709, 20191418]

約数ペア:

[(1, 20191418), (2, 10095709), (13, 1553186), (26, 776593), (37, 545714), (74, 272857), (139, 145262), (151, 133718), (278, 72631), (302, 66859), (481, 41978), (962, 20989), (1807, 11174), (1963, 10286), (3614, 5587), (3926, 5143)]