19154954

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 38610432

約数和(自身を除く): 19455478

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 41, 82, 91, 119, 151, 182, 221, 238, 287, 302, 442, 533, 574, 697, 1057, 1066, 1394, 1547, 1963, 2114, 2567, 3094, 3731, 3926, 4879, 5134, 6191, 7462, 9061, 9758, 12382, 13741, 17969, 18122, 27482, 33371, 35938, 43337, 63427, 66742, 80483, 86674, 105247, 126854, 160966, 210494, 233597, 467194, 563381, 736729, 1126762, 1368211, 1473458, 2736422, 9577477, 19154954]

約数ペア:

[(1, 19154954), (2, 9577477), (7, 2736422), (13, 1473458), (14, 1368211), (17, 1126762), (26, 736729), (34, 563381), (41, 467194), (82, 233597), (91, 210494), (119, 160966), (151, 126854), (182, 105247), (221, 86674), (238, 80483), (287, 66742), (302, 63427), (442, 43337), (533, 35938), (574, 33371), (697, 27482), (1057, 18122), (1066, 17969), (1394, 13741), (1547, 12382), (1963, 9758), (2114, 9061), (2567, 7462), (3094, 6191), (3731, 5134), (3926, 4879)]