17719660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5503}}^1$

素因数の和:5542

約数の個数: 48

約数和(自身を含む): 44384256

約数和(自身を除く): 26664596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5503, 11006, 22012, 27515, 38521, 55030, 77042, 110060, 126569, 154084, 192605, 253138, 385210, 506276, 632845, 770420, 885983, 1265690, 1771966, 2531380, 3543932, 4429915, 8859830, 17719660]

約数ペア:

[(1, 17719660), (2, 8859830), (4, 4429915), (5, 3543932), (7, 2531380), (10, 1771966), (14, 1265690), (20, 885983), (23, 770420), (28, 632845), (35, 506276), (46, 385210), (70, 253138), (92, 192605), (115, 154084), (140, 126569), (161, 110060), (230, 77042), (322, 55030), (460, 38521), (644, 27515), (805, 22012), (1610, 11006), (3220, 5503)]