19565190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1$

素因数の和:1621

約数の個数: 48

約数和(自身を含む): 51246000

約数和(自身を除く): 31680810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1459, 1490, 2235, 2682, 2918, 4377, 4470, 6705, 7295, 8754, 13131, 13410, 14590, 21885, 26262, 43770, 65655, 131310, 217391, 434782, 652173, 1086955, 1304346, 1956519, 2173910, 3260865, 3913038, 6521730, 9782595, 19565190]

約数ペア:

[(1, 19565190), (2, 9782595), (3, 6521730), (5, 3913038), (6, 3260865), (9, 2173910), (10, 1956519), (15, 1304346), (18, 1086955), (30, 652173), (45, 434782), (90, 217391), (149, 131310), (298, 65655), (447, 43770), (745, 26262), (894, 21885), (1341, 14590), (1459, 13410), (1490, 13131), (2235, 8754), (2682, 7295), (2918, 6705), (4377, 4470)]