19419183

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1229

約数の個数: 40

約数和(自身を含む): 34325280

約数和(自身を除く): 14906097

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1181, 1827, 2349, 3543, 5481, 8267, 10629, 16443, 24801, 31887, 34249, 74403, 95661, 102747, 223209, 239743, 308241, 669627, 719229, 924723, 2157687, 2774169, 6473061, 19419183]

約数ペア:

[(1, 19419183), (3, 6473061), (7, 2774169), (9, 2157687), (21, 924723), (27, 719229), (29, 669627), (63, 308241), (81, 239743), (87, 223209), (189, 102747), (203, 95661), (261, 74403), (567, 34249), (609, 31887), (783, 24801), (1181, 16443), (1827, 10629), (2349, 8267), (3543, 5481)]