19617400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 51313680

約数和(自身を除く): 31696280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 50, 55, 74, 88, 100, 110, 148, 185, 200, 220, 241, 275, 296, 370, 407, 440, 482, 550, 740, 814, 925, 964, 1100, 1205, 1480, 1628, 1850, 1928, 2035, 2200, 2410, 2651, 3256, 3700, 4070, 4820, 5302, 6025, 7400, 8140, 8917, 9640, 10175, 10604, 12050, 13255, 16280, 17834, 20350, 21208, 24100, 26510, 35668, 40700, 44585, 48200, 53020, 66275, 71336, 81400, 89170, 98087, 106040, 132550, 178340, 196174, 222925, 265100, 356680, 392348, 445850, 490435, 530200, 784696, 891700, 980870, 1783400, 1961740, 2452175, 3923480, 4904350, 9808700, 19617400]

約数ペア:

[(1, 19617400), (2, 9808700), (4, 4904350), (5, 3923480), (8, 2452175), (10, 1961740), (11, 1783400), (20, 980870), (22, 891700), (25, 784696), (37, 530200), (40, 490435), (44, 445850), (50, 392348), (55, 356680), (74, 265100), (88, 222925), (100, 196174), (110, 178340), (148, 132550), (185, 106040), (200, 98087), (220, 89170), (241, 81400), (275, 71336), (296, 66275), (370, 53020), (407, 48200), (440, 44585), (482, 40700), (550, 35668), (740, 26510), (814, 24100), (925, 21208), (964, 20350), (1100, 17834), (1205, 16280), (1480, 13255), (1628, 12050), (1850, 10604), (1928, 10175), (2035, 9640), (2200, 8917), (2410, 8140), (2651, 7400), (3256, 6025), (3700, 5302), (4070, 4820)]