18232215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 12940905

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 1229, 2967, 3687, 4945, 6145, 14835, 18435, 28267, 52847, 84801, 141335, 158541, 264235, 424005, 792705, 1215481, 3646443, 6077405, 18232215]

約数ペア:

[(1, 18232215), (3, 6077405), (5, 3646443), (15, 1215481), (23, 792705), (43, 424005), (69, 264235), (115, 158541), (129, 141335), (215, 84801), (345, 52847), (645, 28267), (989, 18435), (1229, 14835), (2967, 6145), (3687, 4945)]