18994528

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4463}}^1$

素因数の和:4499

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 26002592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4463, 8926, 17852, 31241, 35704, 62482, 71408, 84797, 124964, 142816, 169594, 249928, 339188, 499856, 593579, 678376, 999712, 1187158, 1356752, 2374316, 2713504, 4748632, 9497264, 18994528]

約数ペア:

[(1, 18994528), (2, 9497264), (4, 4748632), (7, 2713504), (8, 2374316), (14, 1356752), (16, 1187158), (19, 999712), (28, 678376), (32, 593579), (38, 499856), (56, 339188), (76, 249928), (112, 169594), (133, 142816), (152, 124964), (224, 84797), (266, 71408), (304, 62482), (532, 35704), (608, 31241), (1064, 17852), (2128, 8926), (4256, 4463)]