18483488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 39231864

約数和(自身を除く): 20748376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 557, 976, 1037, 1114, 1952, 2074, 2228, 4148, 4456, 8296, 8912, 9469, 16592, 17824, 18938, 33184, 33977, 37876, 67954, 75752, 135908, 151504, 271816, 303008, 543632, 577609, 1087264, 1155218, 2310436, 4620872, 9241744, 18483488]

約数ペア:

[(1, 18483488), (2, 9241744), (4, 4620872), (8, 2310436), (16, 1155218), (17, 1087264), (32, 577609), (34, 543632), (61, 303008), (68, 271816), (122, 151504), (136, 135908), (244, 75752), (272, 67954), (488, 37876), (544, 33977), (557, 33184), (976, 18938), (1037, 17824), (1114, 16592), (1952, 9469), (2074, 8912), (2228, 8296), (4148, 4456)]