19739256

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 32100744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 79, 87, 116, 158, 174, 232, 237, 316, 348, 359, 474, 632, 696, 718, 948, 1077, 1436, 1896, 2154, 2291, 2872, 4308, 4582, 6873, 8616, 9164, 10411, 13746, 18328, 20822, 27492, 28361, 31233, 41644, 54984, 56722, 62466, 83288, 85083, 113444, 124932, 170166, 226888, 249864, 340332, 680664, 822469, 1644938, 2467407, 3289876, 4934814, 6579752, 9869628, 19739256]

約数ペア:

[(1, 19739256), (2, 9869628), (3, 6579752), (4, 4934814), (6, 3289876), (8, 2467407), (12, 1644938), (24, 822469), (29, 680664), (58, 340332), (79, 249864), (87, 226888), (116, 170166), (158, 124932), (174, 113444), (232, 85083), (237, 83288), (316, 62466), (348, 56722), (359, 54984), (474, 41644), (632, 31233), (696, 28361), (718, 27492), (948, 20822), (1077, 18328), (1436, 13746), (1896, 10411), (2154, 9164), (2291, 8616), (2872, 6873), (4308, 4582)]