18820300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 54

約数和(自身を含む): 42246428

約数和(自身を除く): 23426128

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 67, 100, 106, 134, 212, 265, 268, 335, 530, 670, 1060, 1325, 1340, 1675, 2650, 2809, 3350, 3551, 5300, 5618, 6700, 7102, 11236, 14045, 14204, 17755, 28090, 35510, 56180, 70225, 71020, 88775, 140450, 177550, 188203, 280900, 355100, 376406, 752812, 941015, 1882030, 3764060, 4705075, 9410150, 18820300]

約数ペア:

[(1, 18820300), (2, 9410150), (4, 4705075), (5, 3764060), (10, 1882030), (20, 941015), (25, 752812), (50, 376406), (53, 355100), (67, 280900), (100, 188203), (106, 177550), (134, 140450), (212, 88775), (265, 71020), (268, 70225), (335, 56180), (530, 35510), (670, 28090), (1060, 17755), (1325, 14204), (1340, 14045), (1675, 11236), (2650, 7102), (2809, 6700), (3350, 5618), (3551, 5300)]