18027879

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 26188800

約数和(自身を除く): 8160921

約数列:

[1, 3, 29, 43, 61, 79, 87, 129, 183, 237, 1247, 1769, 2291, 2623, 3397, 3741, 4819, 5307, 6873, 7869, 10191, 14457, 76067, 98513, 139751, 207217, 228201, 295539, 419253, 621651, 6009293, 18027879]

約数ペア:

[(1, 18027879), (3, 6009293), (29, 621651), (43, 419253), (61, 295539), (79, 228201), (87, 207217), (129, 139751), (183, 98513), (237, 76067), (1247, 14457), (1769, 10191), (2291, 7869), (2623, 6873), (3397, 5307), (3741, 4819)]