16983740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 20362660

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 389, 590, 740, 778, 1180, 1556, 1945, 2183, 3890, 4366, 7780, 8732, 10915, 14393, 21830, 22951, 28786, 43660, 45902, 57572, 71965, 91804, 114755, 143930, 229510, 287860, 459020, 849187, 1698374, 3396748, 4245935, 8491870, 16983740]

約数ペア:

[(1, 16983740), (2, 8491870), (4, 4245935), (5, 3396748), (10, 1698374), (20, 849187), (37, 459020), (59, 287860), (74, 229510), (118, 143930), (148, 114755), (185, 91804), (236, 71965), (295, 57572), (370, 45902), (389, 43660), (590, 28786), (740, 22951), (778, 21830), (1180, 14393), (1556, 10915), (1945, 8732), (2183, 7780), (3890, 4366)]