19764312

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 51948000

約数和(自身を除く): 32183688

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 73, 87, 116, 146, 174, 219, 232, 292, 348, 389, 438, 584, 696, 778, 876, 1167, 1556, 1752, 2117, 2334, 3112, 4234, 4668, 6351, 8468, 9336, 11281, 12702, 16936, 22562, 25404, 28397, 33843, 45124, 50808, 56794, 67686, 85191, 90248, 113588, 135372, 170382, 227176, 270744, 340764, 681528, 823513, 1647026, 2470539, 3294052, 4941078, 6588104, 9882156, 19764312]

約数ペア:

[(1, 19764312), (2, 9882156), (3, 6588104), (4, 4941078), (6, 3294052), (8, 2470539), (12, 1647026), (24, 823513), (29, 681528), (58, 340764), (73, 270744), (87, 227176), (116, 170382), (146, 135372), (174, 113588), (219, 90248), (232, 85191), (292, 67686), (348, 56794), (389, 50808), (438, 45124), (584, 33843), (696, 28397), (778, 25404), (876, 22562), (1167, 16936), (1556, 12702), (1752, 11281), (2117, 9336), (2334, 8468), (3112, 6351), (4234, 4668)]