17983120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11831}}^1$

素因数の和:11863

約数の個数: 40

約数和(自身を含む): 44015040

約数和(自身を除く): 26031920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11831, 23662, 47324, 59155, 94648, 118310, 189296, 224789, 236620, 449578, 473240, 899156, 946480, 1123945, 1798312, 2247890, 3596624, 4495780, 8991560, 17983120]

約数ペア:

[(1, 17983120), (2, 8991560), (4, 4495780), (5, 3596624), (8, 2247890), (10, 1798312), (16, 1123945), (19, 946480), (20, 899156), (38, 473240), (40, 449578), (76, 236620), (80, 224789), (95, 189296), (152, 118310), (190, 94648), (304, 59155), (380, 47324), (760, 23662), (1520, 11831)]