19744288

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 40483800

約数和(自身を除く): 20739512

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 101, 149, 164, 202, 298, 328, 404, 596, 656, 808, 1192, 1312, 1616, 2384, 3232, 4141, 4768, 6109, 8282, 12218, 15049, 16564, 24436, 30098, 33128, 48872, 60196, 66256, 97744, 120392, 132512, 195488, 240784, 481568, 617009, 1234018, 2468036, 4936072, 9872144, 19744288]

約数ペア:

[(1, 19744288), (2, 9872144), (4, 4936072), (8, 2468036), (16, 1234018), (32, 617009), (41, 481568), (82, 240784), (101, 195488), (149, 132512), (164, 120392), (202, 97744), (298, 66256), (328, 60196), (404, 48872), (596, 33128), (656, 30098), (808, 24436), (1192, 16564), (1312, 15049), (1616, 12218), (2384, 8282), (3232, 6109), (4141, 4768)]