18110800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2383}}^1$

素因数の和:2420

約数の個数: 60

約数和(自身を含む): 45820480

約数和(自身を除く): 27709680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2383, 3800, 4766, 7600, 9532, 11915, 19064, 23830, 38128, 45277, 47660, 59575, 90554, 95320, 119150, 181108, 190640, 226385, 238300, 362216, 452770, 476600, 724432, 905540, 953200, 1131925, 1811080, 2263850, 3622160, 4527700, 9055400, 18110800]

約数ペア:

[(1, 18110800), (2, 9055400), (4, 4527700), (5, 3622160), (8, 2263850), (10, 1811080), (16, 1131925), (19, 953200), (20, 905540), (25, 724432), (38, 476600), (40, 452770), (50, 362216), (76, 238300), (80, 226385), (95, 190640), (100, 181108), (152, 119150), (190, 95320), (200, 90554), (304, 59575), (380, 47660), (400, 45277), (475, 38128), (760, 23830), (950, 19064), (1520, 11915), (1900, 9532), (2383, 7600), (3800, 4766)]