18889676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18366004

約数列:

[1, 2, 4, 13, 26, 47, 52, 59, 94, 118, 131, 188, 236, 262, 524, 611, 767, 1222, 1534, 1703, 2444, 2773, 3068, 3406, 5546, 6157, 6812, 7729, 11092, 12314, 15458, 24628, 30916, 36049, 72098, 80041, 100477, 144196, 160082, 200954, 320164, 363263, 401908, 726526, 1453052, 4722419, 9444838, 18889676]

約数ペア:

[(1, 18889676), (2, 9444838), (4, 4722419), (13, 1453052), (26, 726526), (47, 401908), (52, 363263), (59, 320164), (94, 200954), (118, 160082), (131, 144196), (188, 100477), (236, 80041), (262, 72098), (524, 36049), (611, 30916), (767, 24628), (1222, 15458), (1534, 12314), (1703, 11092), (2444, 7729), (2773, 6812), (3068, 6157), (3406, 5546)]