19193954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 12981406

約数列:

[1, 2, 13, 26, 47, 94, 113, 139, 226, 278, 611, 1222, 1469, 1807, 2938, 3614, 5311, 6533, 10622, 13066, 15707, 31414, 69043, 84929, 138086, 169858, 204191, 408382, 738229, 1476458, 9596977, 19193954]

約数ペア:

[(1, 19193954), (2, 9596977), (13, 1476458), (26, 738229), (47, 408382), (94, 204191), (113, 169858), (139, 138086), (226, 84929), (278, 69043), (611, 31414), (1222, 15707), (1469, 13066), (1807, 10622), (2938, 6533), (3614, 5311)]