19390744

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8387}}^1$

素因数の和:8427

約数の個数: 24

約数和(自身を含む): 38626740

約数和(自身を除く): 19235996

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8387, 16774, 33548, 67096, 142579, 285158, 570316, 1140632, 2423843, 4847686, 9695372, 19390744]

約数ペア:

[(1, 19390744), (2, 9695372), (4, 4847686), (8, 2423843), (17, 1140632), (34, 570316), (68, 285158), (136, 142579), (289, 67096), (578, 33548), (1156, 16774), (2312, 8387)]