218978078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22777}}^1$

素因数の和:22832

約数の個数: 32

約数和(自身を含む): 393603840

約数和(自身を除く): 174625762

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 4807, 9614, 22777, 45554, 250547, 432763, 501094, 523871, 865526, 1047742, 4760393, 5762581, 9520786, 9953549, 11525162, 19907098, 109489039, 218978078]

約数ペア:

[(1, 218978078), (2, 109489039), (11, 19907098), (19, 11525162), (22, 9953549), (23, 9520786), (38, 5762581), (46, 4760393), (209, 1047742), (253, 865526), (418, 523871), (437, 501094), (506, 432763), (874, 250547), (4807, 45554), (9614, 22777)]