20190435

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 34518528

約数和(自身を除く): 14328093

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 1361, 2967, 4083, 4945, 6805, 14835, 20415, 31303, 58523, 93909, 156515, 175569, 292615, 469545, 877845, 1346029, 4038087, 6730145, 20190435]

約数ペア:

[(1, 20190435), (3, 6730145), (5, 4038087), (15, 1346029), (23, 877845), (43, 469545), (69, 292615), (115, 175569), (129, 156515), (215, 93909), (345, 58523), (645, 31303), (989, 20415), (1361, 14835), (2967, 6805), (4083, 4945)]