19925204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 39595920

約数和(自身を除く): 19670716

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 73, 116, 146, 181, 292, 362, 377, 724, 754, 949, 1508, 1898, 2117, 2353, 3796, 4234, 4706, 5249, 8468, 9412, 10498, 13213, 20996, 26426, 27521, 52852, 55042, 68237, 110084, 136474, 171769, 272948, 343538, 383177, 687076, 766354, 1532708, 4981301, 9962602, 19925204]

約数ペア:

[(1, 19925204), (2, 9962602), (4, 4981301), (13, 1532708), (26, 766354), (29, 687076), (52, 383177), (58, 343538), (73, 272948), (116, 171769), (146, 136474), (181, 110084), (292, 68237), (362, 55042), (377, 52852), (724, 27521), (754, 26426), (949, 20996), (1508, 13213), (1898, 10498), (2117, 9412), (2353, 8468), (3796, 5249), (4234, 4706)]