19948550

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 19236442

約数列:

[1, 2, 5, 10, 25, 37, 41, 50, 74, 82, 185, 205, 263, 370, 410, 526, 925, 1025, 1315, 1517, 1850, 2050, 2630, 3034, 6575, 7585, 9731, 10783, 13150, 15170, 19462, 21566, 37925, 48655, 53915, 75850, 97310, 107830, 243275, 269575, 398971, 486550, 539150, 797942, 1994855, 3989710, 9974275, 19948550]

約数ペア:

[(1, 19948550), (2, 9974275), (5, 3989710), (10, 1994855), (25, 797942), (37, 539150), (41, 486550), (50, 398971), (74, 269575), (82, 243275), (185, 107830), (205, 97310), (263, 75850), (370, 53915), (410, 48655), (526, 37925), (925, 21566), (1025, 19462), (1315, 15170), (1517, 13150), (1850, 10783), (2050, 9731), (2630, 7585), (3034, 6575)]