18440550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1014

約数の個数: 72

約数和(自身を含む): 50748984

約数和(自身を除く): 32308434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 953, 1075, 1290, 1906, 1935, 2150, 2859, 3225, 3870, 4765, 5718, 6450, 8577, 9530, 9675, 14295, 17154, 19350, 23825, 28590, 40979, 42885, 47650, 71475, 81958, 85770, 122937, 142950, 204895, 214425, 245874, 368811, 409790, 428850, 614685, 737622, 1024475, 1229370, 1844055, 2048950, 3073425, 3688110, 6146850, 9220275, 18440550]

約数ペア:

[(1, 18440550), (2, 9220275), (3, 6146850), (5, 3688110), (6, 3073425), (9, 2048950), (10, 1844055), (15, 1229370), (18, 1024475), (25, 737622), (30, 614685), (43, 428850), (45, 409790), (50, 368811), (75, 245874), (86, 214425), (90, 204895), (129, 142950), (150, 122937), (215, 85770), (225, 81958), (258, 71475), (387, 47650), (430, 42885), (450, 40979), (645, 28590), (774, 23825), (953, 19350), (1075, 17154), (1290, 14295), (1906, 9675), (1935, 9530), (2150, 8577), (2859, 6450), (3225, 5718), (3870, 4765)]