19009712

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 38252016

約数和(自身を除く): 19242304

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 163, 197, 296, 326, 394, 592, 652, 788, 1304, 1576, 2608, 3152, 6031, 7289, 12062, 14578, 24124, 29156, 32111, 48248, 58312, 64222, 96496, 116624, 128444, 256888, 513776, 1188107, 2376214, 4752428, 9504856, 19009712]

約数ペア:

[(1, 19009712), (2, 9504856), (4, 4752428), (8, 2376214), (16, 1188107), (37, 513776), (74, 256888), (148, 128444), (163, 116624), (197, 96496), (296, 64222), (326, 58312), (394, 48248), (592, 32111), (652, 29156), (788, 24124), (1304, 14578), (1576, 12062), (2608, 7289), (3152, 6031)]