19893496

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2593}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 42956640

約数和(自身を除く): 23063144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2593, 3836, 5186, 7672, 10372, 18151, 20744, 36302, 72604, 145208, 355241, 710482, 1420964, 2486687, 2841928, 4973374, 9946748, 19893496]

約数ペア:

[(1, 19893496), (2, 9946748), (4, 4973374), (7, 2841928), (8, 2486687), (14, 1420964), (28, 710482), (56, 355241), (137, 145208), (274, 72604), (548, 36302), (959, 20744), (1096, 18151), (1918, 10372), (2593, 7672), (3836, 5186)]