18365560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8663}}^1$

素因数の和:8727

約数の個数: 32

約数和(自身を含む): 42107040

約数和(自身を除く): 23741480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8663, 17326, 34652, 43315, 69304, 86630, 173260, 346520, 459139, 918278, 1836556, 2295695, 3673112, 4591390, 9182780, 18365560]

約数ペア:

[(1, 18365560), (2, 9182780), (4, 4591390), (5, 3673112), (8, 2295695), (10, 1836556), (20, 918278), (40, 459139), (53, 346520), (106, 173260), (212, 86630), (265, 69304), (424, 43315), (530, 34652), (1060, 17326), (2120, 8663)]