19463864

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 43718400

約数和(自身を除く): 24254536

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 59, 86, 118, 137, 172, 236, 274, 301, 344, 413, 472, 548, 602, 826, 959, 1096, 1204, 1652, 1918, 2408, 2537, 3304, 3836, 5074, 5891, 7672, 8083, 10148, 11782, 16166, 17759, 20296, 23564, 32332, 35518, 41237, 47128, 56581, 64664, 71036, 82474, 113162, 142072, 164948, 226324, 329896, 347569, 452648, 695138, 1390276, 2432983, 2780552, 4865966, 9731932, 19463864]

約数ペア:

[(1, 19463864), (2, 9731932), (4, 4865966), (7, 2780552), (8, 2432983), (14, 1390276), (28, 695138), (43, 452648), (56, 347569), (59, 329896), (86, 226324), (118, 164948), (137, 142072), (172, 113162), (236, 82474), (274, 71036), (301, 64664), (344, 56581), (413, 47128), (472, 41237), (548, 35518), (602, 32332), (826, 23564), (959, 20296), (1096, 17759), (1204, 16166), (1652, 11782), (1918, 10148), (2408, 8083), (2537, 7672), (3304, 5891), (3836, 5074)]