19524680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 50768640

約数和(自身を除く): 31243960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 677, 721, 824, 1030, 1354, 1442, 2060, 2708, 2884, 3385, 3605, 4120, 4739, 5416, 5768, 6770, 7210, 9478, 13540, 14420, 18956, 23695, 27080, 28840, 37912, 47390, 69731, 94780, 139462, 189560, 278924, 348655, 488117, 557848, 697310, 976234, 1394620, 1952468, 2440585, 2789240, 3904936, 4881170, 9762340, 19524680]

約数ペア:

[(1, 19524680), (2, 9762340), (4, 4881170), (5, 3904936), (7, 2789240), (8, 2440585), (10, 1952468), (14, 1394620), (20, 976234), (28, 697310), (35, 557848), (40, 488117), (56, 348655), (70, 278924), (103, 189560), (140, 139462), (206, 94780), (280, 69731), (412, 47390), (515, 37912), (677, 28840), (721, 27080), (824, 23695), (1030, 18956), (1354, 14420), (1442, 13540), (2060, 9478), (2708, 7210), (2884, 6770), (3385, 5768), (3605, 5416), (4120, 4739)]