18915900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3709}}^1$

素因数の和:3743

約数の個数: 72

約数和(自身を含む): 57965040

約数和(自身を除く): 39049140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 3709, 5100, 7418, 11127, 14836, 18545, 22254, 37090, 44508, 55635, 63053, 74180, 92725, 111270, 126106, 185450, 189159, 222540, 252212, 278175, 315265, 370900, 378318, 556350, 630530, 756636, 945795, 1112700, 1261060, 1576325, 1891590, 3152650, 3783180, 4728975, 6305300, 9457950, 18915900]

約数ペア:

[(1, 18915900), (2, 9457950), (3, 6305300), (4, 4728975), (5, 3783180), (6, 3152650), (10, 1891590), (12, 1576325), (15, 1261060), (17, 1112700), (20, 945795), (25, 756636), (30, 630530), (34, 556350), (50, 378318), (51, 370900), (60, 315265), (68, 278175), (75, 252212), (85, 222540), (100, 189159), (102, 185450), (150, 126106), (170, 111270), (204, 92725), (255, 74180), (300, 63053), (340, 55635), (425, 44508), (510, 37090), (850, 22254), (1020, 18545), (1275, 14836), (1700, 11127), (2550, 7418), (3709, 5100)]