18969900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1709}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 56402640

約数和(自身を除く): 37432740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 148, 150, 185, 222, 300, 370, 444, 555, 740, 925, 1110, 1709, 1850, 2220, 2775, 3418, 3700, 5127, 5550, 6836, 8545, 10254, 11100, 17090, 20508, 25635, 34180, 42725, 51270, 63233, 85450, 102540, 126466, 128175, 170900, 189699, 252932, 256350, 316165, 379398, 512700, 632330, 758796, 948495, 1264660, 1580825, 1896990, 3161650, 3793980, 4742475, 6323300, 9484950, 18969900]

約数ペア:

[(1, 18969900), (2, 9484950), (3, 6323300), (4, 4742475), (5, 3793980), (6, 3161650), (10, 1896990), (12, 1580825), (15, 1264660), (20, 948495), (25, 758796), (30, 632330), (37, 512700), (50, 379398), (60, 316165), (74, 256350), (75, 252932), (100, 189699), (111, 170900), (148, 128175), (150, 126466), (185, 102540), (222, 85450), (300, 63233), (370, 51270), (444, 42725), (555, 34180), (740, 25635), (925, 20508), (1110, 17090), (1709, 11100), (1850, 10254), (2220, 8545), (2775, 6836), (3418, 5550), (3700, 5127)]