17969440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 46811520

約数和(自身を除く): 28842080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 257, 304, 368, 380, 437, 460, 514, 608, 736, 760, 874, 920, 1028, 1285, 1520, 1748, 1840, 2056, 2185, 2570, 3040, 3496, 3680, 4112, 4370, 4883, 5140, 5911, 6992, 8224, 8740, 9766, 10280, 11822, 13984, 17480, 19532, 20560, 23644, 24415, 29555, 34960, 39064, 41120, 47288, 48830, 59110, 69920, 78128, 94576, 97660, 112309, 118220, 156256, 189152, 195320, 224618, 236440, 390640, 449236, 472880, 561545, 781280, 898472, 945760, 1123090, 1796944, 2246180, 3593888, 4492360, 8984720, 17969440]

約数ペア:

[(1, 17969440), (2, 8984720), (4, 4492360), (5, 3593888), (8, 2246180), (10, 1796944), (16, 1123090), (19, 945760), (20, 898472), (23, 781280), (32, 561545), (38, 472880), (40, 449236), (46, 390640), (76, 236440), (80, 224618), (92, 195320), (95, 189152), (115, 156256), (152, 118220), (160, 112309), (184, 97660), (190, 94576), (230, 78128), (257, 69920), (304, 59110), (368, 48830), (380, 47288), (437, 41120), (460, 39064), (514, 34960), (608, 29555), (736, 24415), (760, 23644), (874, 20560), (920, 19532), (1028, 17480), (1285, 13984), (1520, 11822), (1748, 10280), (1840, 9766), (2056, 8740), (2185, 8224), (2570, 6992), (3040, 5911), (3496, 5140), (3680, 4883), (4112, 4370)]