17214380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 38556000

約数和(自身を除く): 21341620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 509, 890, 1018, 1691, 1780, 2036, 2545, 3382, 5090, 6764, 8455, 9671, 10180, 16910, 19342, 33820, 38684, 45301, 48355, 90602, 96710, 181204, 193420, 226505, 453010, 860719, 906020, 1721438, 3442876, 4303595, 8607190, 17214380]

約数ペア:

[(1, 17214380), (2, 8607190), (4, 4303595), (5, 3442876), (10, 1721438), (19, 906020), (20, 860719), (38, 453010), (76, 226505), (89, 193420), (95, 181204), (178, 96710), (190, 90602), (356, 48355), (380, 45301), (445, 38684), (509, 33820), (890, 19342), (1018, 16910), (1691, 10180), (1780, 9671), (2036, 8455), (2545, 6764), (3382, 5090)]