18442809

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:2987

約数の個数: 40

約数和(自身を含む): 34360128

約数和(自身を除く): 15917319

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 2957, 6237, 8871, 20699, 26613, 32527, 62097, 79839, 97581, 186291, 227689, 239517, 292743, 558873, 683067, 878229, 1676619, 2049201, 2634687, 6147603, 18442809]

約数ペア:

[(1, 18442809), (3, 6147603), (7, 2634687), (9, 2049201), (11, 1676619), (21, 878229), (27, 683067), (33, 558873), (63, 292743), (77, 239517), (81, 227689), (99, 186291), (189, 97581), (231, 79839), (297, 62097), (567, 32527), (693, 26613), (891, 20699), (2079, 8871), (2957, 6237)]