19531245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 32389632

約数和(自身を除く): 12858387

約数列:

[1, 3, 5, 15, 43, 107, 129, 215, 283, 321, 535, 645, 849, 1415, 1605, 4245, 4601, 12169, 13803, 23005, 30281, 36507, 60845, 69015, 90843, 151405, 182535, 454215, 1302083, 3906249, 6510415, 19531245]

約数ペア:

[(1, 19531245), (3, 6510415), (5, 3906249), (15, 1302083), (43, 454215), (107, 182535), (129, 151405), (215, 90843), (283, 69015), (321, 60845), (535, 36507), (645, 30281), (849, 23005), (1415, 13803), (1605, 12169), (4245, 4601)]