19657198320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81904993}}^1$

素因数の和:81905009

約数の個数: 40

約数和(自身を含む): 60937315536

約数和(自身を除く): 41280117216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81904993, 163809986, 245714979, 327619972, 409524965, 491429958, 655239944, 819049930, 982859916, 1228574895, 1310479888, 1638099860, 1965719832, 2457149790, 3276199720, 3931439664, 4914299580, 6552399440, 9828599160, 19657198320]

約数ペア:

[(1, 19657198320), (2, 9828599160), (3, 6552399440), (4, 4914299580), (5, 3931439664), (6, 3276199720), (8, 2457149790), (10, 1965719832), (12, 1638099860), (15, 1310479888), (16, 1228574895), (20, 982859916), (24, 819049930), (30, 655239944), (40, 491429958), (48, 409524965), (60, 327619972), (80, 245714979), (120, 163809986), (240, 81904993)]