18814852

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 42142464

約数和(自身を除く): 23327612

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 47, 58, 68, 94, 116, 119, 188, 203, 238, 329, 406, 476, 493, 658, 799, 812, 841, 986, 1316, 1363, 1598, 1682, 1972, 2726, 3196, 3364, 3451, 5452, 5593, 5887, 6902, 9541, 11186, 11774, 13804, 14297, 19082, 22372, 23171, 23548, 28594, 38164, 39527, 46342, 57188, 79054, 92684, 100079, 158108, 162197, 200158, 276689, 324394, 400316, 553378, 648788, 671959, 1106756, 1343918, 2687836, 4703713, 9407426, 18814852]

約数ペア:

[(1, 18814852), (2, 9407426), (4, 4703713), (7, 2687836), (14, 1343918), (17, 1106756), (28, 671959), (29, 648788), (34, 553378), (47, 400316), (58, 324394), (68, 276689), (94, 200158), (116, 162197), (119, 158108), (188, 100079), (203, 92684), (238, 79054), (329, 57188), (406, 46342), (476, 39527), (493, 38164), (658, 28594), (799, 23548), (812, 23171), (841, 22372), (986, 19082), (1316, 14297), (1363, 13804), (1598, 11774), (1682, 11186), (1972, 9541), (2726, 6902), (3196, 5887), (3364, 5593), (3451, 5452)]