11982690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 31352256

約数和(自身を除く): 19369566

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 631, 633, 1055, 1262, 1266, 1893, 1899, 2110, 3155, 3165, 3786, 3798, 5679, 6310, 6330, 9465, 9495, 11358, 18930, 18990, 28395, 56790, 133141, 266282, 399423, 665705, 798846, 1198269, 1331410, 1997115, 2396538, 3994230, 5991345, 11982690]

約数ペア:

[(1, 11982690), (2, 5991345), (3, 3994230), (5, 2396538), (6, 1997115), (9, 1331410), (10, 1198269), (15, 798846), (18, 665705), (30, 399423), (45, 266282), (90, 133141), (211, 56790), (422, 28395), (631, 18990), (633, 18930), (1055, 11358), (1262, 9495), (1266, 9465), (1893, 6330), (1899, 6310), (2110, 5679), (3155, 3798), (3165, 3786)]