18974001856

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{115223}}^1$

素因数の和:115349

約数の個数: 56

約数和(自身を含む): 39334708224

約数和(自身を除く): 20360706368

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 166, 248, 332, 496, 664, 992, 1328, 1984, 2573, 2656, 5146, 5312, 10292, 20584, 41168, 82336, 115223, 164672, 230446, 460892, 921784, 1843568, 3571913, 3687136, 7143826, 7374272, 9563509, 14287652, 19127018, 28575304, 38254036, 57150608, 76508072, 114301216, 153016144, 228602432, 296468779, 306032288, 592937558, 612064576, 1185875116, 2371750232, 4743500464, 9487000928, 18974001856]

約数ペア:

[(1, 18974001856), (2, 9487000928), (4, 4743500464), (8, 2371750232), (16, 1185875116), (31, 612064576), (32, 592937558), (62, 306032288), (64, 296468779), (83, 228602432), (124, 153016144), (166, 114301216), (248, 76508072), (332, 57150608), (496, 38254036), (664, 28575304), (992, 19127018), (1328, 14287652), (1984, 9563509), (2573, 7374272), (2656, 7143826), (5146, 3687136), (5312, 3571913), (10292, 1843568), (20584, 921784), (41168, 460892), (82336, 230446), (115223, 164672)]