19905264

素因数分解:

$2^4\times 3^4\times {\mathrm{15359}}^1$

素因数の和:15379

約数の個数: 50

約数和(自身を含む): 57615360

約数和(自身を除く): 37710096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15359, 30718, 46077, 61436, 92154, 122872, 138231, 184308, 245744, 276462, 368616, 414693, 552924, 737232, 829386, 1105848, 1244079, 1658772, 2211696, 2488158, 3317544, 4976316, 6635088, 9952632, 19905264]

約数ペア:

[(1, 19905264), (2, 9952632), (3, 6635088), (4, 4976316), (6, 3317544), (8, 2488158), (9, 2211696), (12, 1658772), (16, 1244079), (18, 1105848), (24, 829386), (27, 737232), (36, 552924), (48, 414693), (54, 368616), (72, 276462), (81, 245744), (108, 184308), (144, 138231), (162, 122872), (216, 92154), (324, 61436), (432, 46077), (648, 30718), (1296, 15359)]