19357120

素因数分解:

$2^6\times 5^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 46469808

約数和(自身を除く): 27112688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 241, 251, 320, 482, 502, 964, 1004, 1205, 1255, 1928, 2008, 2410, 2510, 3856, 4016, 4820, 5020, 7712, 8032, 9640, 10040, 15424, 16064, 19280, 20080, 38560, 40160, 60491, 77120, 80320, 120982, 241964, 302455, 483928, 604910, 967856, 1209820, 1935712, 2419640, 3871424, 4839280, 9678560, 19357120]

約数ペア:

[(1, 19357120), (2, 9678560), (4, 4839280), (5, 3871424), (8, 2419640), (10, 1935712), (16, 1209820), (20, 967856), (32, 604910), (40, 483928), (64, 302455), (80, 241964), (160, 120982), (241, 80320), (251, 77120), (320, 60491), (482, 40160), (502, 38560), (964, 20080), (1004, 19280), (1205, 16064), (1255, 15424), (1928, 10040), (2008, 9640), (2410, 8032), (2510, 7712), (3856, 5020), (4016, 4820)]