19884392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 23453848

約数列:

[1, 2, 4, 8, 11, 22, 31, 37, 44, 62, 74, 88, 124, 148, 197, 248, 296, 341, 394, 407, 682, 788, 814, 1147, 1364, 1576, 1628, 2167, 2294, 2728, 3256, 4334, 4588, 6107, 7289, 8668, 9176, 12214, 12617, 14578, 17336, 24428, 25234, 29156, 48856, 50468, 58312, 67177, 80179, 100936, 134354, 160358, 225959, 268708, 320716, 451918, 537416, 641432, 903836, 1807672, 2485549, 4971098, 9942196, 19884392]

約数ペア:

[(1, 19884392), (2, 9942196), (4, 4971098), (8, 2485549), (11, 1807672), (22, 903836), (31, 641432), (37, 537416), (44, 451918), (62, 320716), (74, 268708), (88, 225959), (124, 160358), (148, 134354), (197, 100936), (248, 80179), (296, 67177), (341, 58312), (394, 50468), (407, 48856), (682, 29156), (788, 25234), (814, 24428), (1147, 17336), (1364, 14578), (1576, 12617), (1628, 12214), (2167, 9176), (2294, 8668), (2728, 7289), (3256, 6107), (4334, 4588)]