19341380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 23176060

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 443, 590, 740, 886, 1180, 1772, 2183, 2215, 4366, 4430, 8732, 8860, 10915, 16391, 21830, 26137, 32782, 43660, 52274, 65564, 81955, 104548, 130685, 163910, 261370, 327820, 522740, 967069, 1934138, 3868276, 4835345, 9670690, 19341380]

約数ペア:

[(1, 19341380), (2, 9670690), (4, 4835345), (5, 3868276), (10, 1934138), (20, 967069), (37, 522740), (59, 327820), (74, 261370), (118, 163910), (148, 130685), (185, 104548), (236, 81955), (295, 65564), (370, 52274), (443, 43660), (590, 32782), (740, 26137), (886, 21830), (1180, 16391), (1772, 10915), (2183, 8860), (2215, 8732), (4366, 4430)]