19997550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{14813}}^1$

素因数の和:14834

約数の個数: 48

約数和(自身を含む): 55108080

約数和(自身を除く): 35110530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 14813, 29626, 44439, 74065, 88878, 133317, 148130, 222195, 266634, 370325, 399951, 444390, 666585, 740650, 799902, 1110975, 1333170, 1999755, 2221950, 3332925, 3999510, 6665850, 9998775, 19997550]

約数ペア:

[(1, 19997550), (2, 9998775), (3, 6665850), (5, 3999510), (6, 3332925), (9, 2221950), (10, 1999755), (15, 1333170), (18, 1110975), (25, 799902), (27, 740650), (30, 666585), (45, 444390), (50, 399951), (54, 370325), (75, 266634), (90, 222195), (135, 148130), (150, 133317), (225, 88878), (270, 74065), (450, 44439), (675, 29626), (1350, 14813)]