19180690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 36630720

約数和(自身を除く): 17450030

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 643, 785, 1286, 1570, 2983, 3215, 5966, 6430, 12217, 14915, 24434, 29830, 61085, 100951, 122170, 201902, 504755, 1009510, 1918069, 3836138, 9590345, 19180690]

約数ペア:

[(1, 19180690), (2, 9590345), (5, 3836138), (10, 1918069), (19, 1009510), (38, 504755), (95, 201902), (157, 122170), (190, 100951), (314, 61085), (643, 29830), (785, 24434), (1286, 14915), (1570, 12217), (2983, 6430), (3215, 5966)]