19101663

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 33221760

約数和(自身を除く): 14120097

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 571, 1239, 1593, 1713, 3717, 3997, 4779, 5139, 11151, 11991, 15417, 33453, 33689, 35973, 46251, 101067, 107919, 235823, 303201, 323757, 707469, 909603, 2122407, 2728809, 6367221, 19101663]

約数ペア:

[(1, 19101663), (3, 6367221), (7, 2728809), (9, 2122407), (21, 909603), (27, 707469), (59, 323757), (63, 303201), (81, 235823), (177, 107919), (189, 101067), (413, 46251), (531, 35973), (567, 33689), (571, 33453), (1239, 15417), (1593, 11991), (1713, 11151), (3717, 5139), (3997, 4779)]