19487678

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 36345024

約数和(自身を除く): 16857346

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2213, 4403, 4426, 8806, 15491, 30982, 37621, 75242, 81881, 163762, 263347, 526694, 573167, 1146334, 1391977, 2783954, 9743839, 19487678]

約数ペア:

[(1, 19487678), (2, 9743839), (7, 2783954), (14, 1391977), (17, 1146334), (34, 573167), (37, 526694), (74, 263347), (119, 163762), (238, 81881), (259, 75242), (518, 37621), (629, 30982), (1258, 15491), (2213, 8806), (4403, 4426)]