18538548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2659}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 50050560

約数和(自身を除く): 31512012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 2659, 3486, 5318, 6972, 7977, 10636, 15954, 18613, 31908, 37226, 55839, 74452, 111678, 220697, 223356, 441394, 662091, 882788, 1324182, 1544879, 2648364, 3089758, 4634637, 6179516, 9269274, 18538548]

約数ペア:

[(1, 18538548), (2, 9269274), (3, 6179516), (4, 4634637), (6, 3089758), (7, 2648364), (12, 1544879), (14, 1324182), (21, 882788), (28, 662091), (42, 441394), (83, 223356), (84, 220697), (166, 111678), (249, 74452), (332, 55839), (498, 37226), (581, 31908), (996, 18613), (1162, 15954), (1743, 10636), (2324, 7977), (2659, 6972), (3486, 5318)]