18490016

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 39531240

約数和(自身を除く): 21041224

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 328, 544, 656, 697, 829, 1312, 1394, 1658, 2788, 3316, 5576, 6632, 11152, 13264, 14093, 22304, 26528, 28186, 33989, 56372, 67978, 112744, 135956, 225488, 271912, 450976, 543824, 577813, 1087648, 1155626, 2311252, 4622504, 9245008, 18490016]

約数ペア:

[(1, 18490016), (2, 9245008), (4, 4622504), (8, 2311252), (16, 1155626), (17, 1087648), (32, 577813), (34, 543824), (41, 450976), (68, 271912), (82, 225488), (136, 135956), (164, 112744), (272, 67978), (328, 56372), (544, 33989), (656, 28186), (697, 26528), (829, 22304), (1312, 14093), (1394, 13264), (1658, 11152), (2788, 6632), (3316, 5576)]