19177990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5087}}^1$

素因数の和:5136

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 19287290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5087, 10174, 25435, 50870, 66131, 132262, 147523, 295046, 330655, 661310, 737615, 1475230, 1917799, 3835598, 9588995, 19177990]

約数ペア:

[(1, 19177990), (2, 9588995), (5, 3835598), (10, 1917799), (13, 1475230), (26, 737615), (29, 661310), (58, 330655), (65, 295046), (130, 147523), (145, 132262), (290, 66131), (377, 50870), (754, 25435), (1885, 10174), (3770, 5087)]