19812564287

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{4003}}^1$

素因数の和:4203

約数の個数: 32

約数和(自身を含む): 21648506880

約数和(自身を除く): 1835942593

約数列:

[1, 31, 43, 47, 79, 1333, 1457, 2021, 2449, 3397, 3713, 4003, 62651, 105307, 115103, 124093, 159659, 172129, 188141, 316237, 4949429, 5335999, 5832371, 8090063, 9803347, 13598191, 14863139, 250791953, 421543921, 460757309, 639114977, 19812564287]

約数ペア:

[(1, 19812564287), (31, 639114977), (43, 460757309), (47, 421543921), (79, 250791953), (1333, 14863139), (1457, 13598191), (2021, 9803347), (2449, 8090063), (3397, 5832371), (3713, 5335999), (4003, 4949429), (62651, 316237), (105307, 188141), (115103, 172129), (124093, 159659)]