18459488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 38772720

約数和(自身を除く): 20313232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 313, 388, 608, 626, 776, 1252, 1552, 1843, 2504, 3104, 3686, 5008, 5947, 7372, 10016, 11894, 14744, 23788, 29488, 30361, 47576, 58976, 60722, 95152, 121444, 190304, 242888, 485776, 576859, 971552, 1153718, 2307436, 4614872, 9229744, 18459488]

約数ペア:

[(1, 18459488), (2, 9229744), (4, 4614872), (8, 2307436), (16, 1153718), (19, 971552), (32, 576859), (38, 485776), (76, 242888), (97, 190304), (152, 121444), (194, 95152), (304, 60722), (313, 58976), (388, 47576), (608, 30361), (626, 29488), (776, 23788), (1252, 14744), (1552, 11894), (1843, 10016), (2504, 7372), (3104, 5947), (3686, 5008)]