17921560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23581}}^1$

素因数の和:23611

約数の個数: 32

約数和(自身を含む): 42447600

約数和(自身を除く): 24526040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23581, 47162, 94324, 117905, 188648, 235810, 448039, 471620, 896078, 943240, 1792156, 2240195, 3584312, 4480390, 8960780, 17921560]

約数ペア:

[(1, 17921560), (2, 8960780), (4, 4480390), (5, 3584312), (8, 2240195), (10, 1792156), (19, 943240), (20, 896078), (38, 471620), (40, 448039), (76, 235810), (95, 188648), (152, 117905), (190, 94324), (380, 47162), (760, 23581)]