19771292

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 35278320

約数和(自身を除く): 15507028

約数列:

[1, 2, 4, 109, 137, 218, 274, 331, 436, 548, 662, 1324, 14933, 29866, 36079, 45347, 59732, 72158, 90694, 144316, 181388, 4942823, 9885646, 19771292]

約数ペア:

[(1, 19771292), (2, 9885646), (4, 4942823), (109, 181388), (137, 144316), (218, 90694), (274, 72158), (331, 59732), (436, 45347), (548, 36079), (662, 29866), (1324, 14933)]