18849650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 37658304

約数和(自身を除く): 18808654

約数列:

[1, 2, 5, 10, 23, 25, 37, 46, 50, 74, 115, 185, 230, 370, 443, 575, 851, 886, 925, 1150, 1702, 1850, 2215, 4255, 4430, 8510, 10189, 11075, 16391, 20378, 21275, 22150, 32782, 42550, 50945, 81955, 101890, 163910, 254725, 376993, 409775, 509450, 753986, 819550, 1884965, 3769930, 9424825, 18849650]

約数ペア:

[(1, 18849650), (2, 9424825), (5, 3769930), (10, 1884965), (23, 819550), (25, 753986), (37, 509450), (46, 409775), (50, 376993), (74, 254725), (115, 163910), (185, 101890), (230, 81955), (370, 50945), (443, 42550), (575, 32782), (851, 22150), (886, 21275), (925, 20378), (1150, 16391), (1702, 11075), (1850, 10189), (2215, 8510), (4255, 4430)]