19478256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 80

約数和(自身を含む): 59520000

約数和(自身を除く): 40041744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 696, 812, 1218, 1392, 1624, 1999, 2436, 3248, 3998, 4872, 5997, 7996, 9744, 11994, 13993, 15992, 23988, 27986, 31984, 41979, 47976, 55972, 57971, 83958, 95952, 111944, 115942, 167916, 173913, 223888, 231884, 335832, 347826, 405797, 463768, 671664, 695652, 811594, 927536, 1217391, 1391304, 1623188, 2434782, 2782608, 3246376, 4869564, 6492752, 9739128, 19478256]

約数ペア:

[(1, 19478256), (2, 9739128), (3, 6492752), (4, 4869564), (6, 3246376), (7, 2782608), (8, 2434782), (12, 1623188), (14, 1391304), (16, 1217391), (21, 927536), (24, 811594), (28, 695652), (29, 671664), (42, 463768), (48, 405797), (56, 347826), (58, 335832), (84, 231884), (87, 223888), (112, 173913), (116, 167916), (168, 115942), (174, 111944), (203, 95952), (232, 83958), (336, 57971), (348, 55972), (406, 47976), (464, 41979), (609, 31984), (696, 27986), (812, 23988), (1218, 15992), (1392, 13993), (1624, 11994), (1999, 9744), (2436, 7996), (3248, 5997), (3998, 4872)]