19100540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6971}}^1$

素因数の和:7117

約数の個数: 24

約数和(自身を含む): 40409712

約数和(自身を除く): 21309172

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6971, 13942, 27884, 34855, 69710, 139420, 955027, 1910054, 3820108, 4775135, 9550270, 19100540]

約数ペア:

[(1, 19100540), (2, 9550270), (4, 4775135), (5, 3820108), (10, 1910054), (20, 955027), (137, 139420), (274, 69710), (548, 34855), (685, 27884), (1370, 13942), (2740, 6971)]