19136985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 37822464

約数和(自身を除く): 18685479

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 71, 85, 105, 119, 151, 213, 255, 355, 357, 453, 497, 595, 755, 1057, 1065, 1207, 1491, 1785, 2265, 2485, 2567, 3171, 3621, 5285, 6035, 7455, 7701, 8449, 10721, 12835, 15855, 17969, 18105, 25347, 32163, 38505, 42245, 53605, 53907, 75047, 89845, 126735, 160815, 182257, 225141, 269535, 375235, 546771, 911285, 1125705, 1275799, 2733855, 3827397, 6378995, 19136985]

約数ペア:

[(1, 19136985), (3, 6378995), (5, 3827397), (7, 2733855), (15, 1275799), (17, 1125705), (21, 911285), (35, 546771), (51, 375235), (71, 269535), (85, 225141), (105, 182257), (119, 160815), (151, 126735), (213, 89845), (255, 75047), (355, 53907), (357, 53605), (453, 42245), (497, 38505), (595, 32163), (755, 25347), (1057, 18105), (1065, 17969), (1207, 15855), (1491, 12835), (1785, 10721), (2265, 8449), (2485, 7701), (2567, 7455), (3171, 6035), (3621, 5285)]