18512536

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 42393600

約数和(自身を除く): 23881064

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 127, 133, 137, 152, 254, 266, 274, 508, 532, 548, 889, 959, 1016, 1064, 1096, 1778, 1918, 2413, 2603, 3556, 3836, 4826, 5206, 7112, 7672, 9652, 10412, 16891, 17399, 18221, 19304, 20824, 33782, 34798, 36442, 67564, 69596, 72884, 121793, 135128, 139192, 145768, 243586, 330581, 487172, 661162, 974344, 1322324, 2314067, 2644648, 4628134, 9256268, 18512536]

約数ペア:

[(1, 18512536), (2, 9256268), (4, 4628134), (7, 2644648), (8, 2314067), (14, 1322324), (19, 974344), (28, 661162), (38, 487172), (56, 330581), (76, 243586), (127, 145768), (133, 139192), (137, 135128), (152, 121793), (254, 72884), (266, 69596), (274, 67564), (508, 36442), (532, 34798), (548, 33782), (889, 20824), (959, 19304), (1016, 18221), (1064, 17399), (1096, 16891), (1778, 10412), (1918, 9652), (2413, 7672), (2603, 7112), (3556, 5206), (3836, 4826)]