18177664

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 38556000

約数和(自身を除く): 20378336

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 59, 64, 83, 116, 118, 128, 166, 232, 236, 332, 464, 472, 664, 928, 944, 1328, 1711, 1856, 1888, 2407, 2656, 3422, 3712, 3776, 4814, 4897, 5312, 6844, 7552, 9628, 9794, 10624, 13688, 19256, 19588, 27376, 38512, 39176, 54752, 77024, 78352, 109504, 142013, 154048, 156704, 219008, 284026, 308096, 313408, 568052, 626816, 1136104, 2272208, 4544416, 9088832, 18177664]

約数ペア:

[(1, 18177664), (2, 9088832), (4, 4544416), (8, 2272208), (16, 1136104), (29, 626816), (32, 568052), (58, 313408), (59, 308096), (64, 284026), (83, 219008), (116, 156704), (118, 154048), (128, 142013), (166, 109504), (232, 78352), (236, 77024), (332, 54752), (464, 39176), (472, 38512), (664, 27376), (928, 19588), (944, 19256), (1328, 13688), (1711, 10624), (1856, 9794), (1888, 9628), (2407, 7552), (2656, 6844), (3422, 5312), (3712, 4897), (3776, 4814)]