18109280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 192

約数和(自身を含む): 55157760

約数和(自身を除く): 37048480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 37, 38, 40, 46, 56, 70, 74, 76, 80, 92, 95, 112, 115, 133, 140, 148, 152, 160, 161, 184, 185, 190, 224, 230, 259, 266, 280, 296, 304, 322, 368, 370, 380, 437, 460, 518, 532, 560, 592, 608, 644, 665, 703, 736, 740, 760, 805, 851, 874, 920, 1036, 1064, 1120, 1184, 1288, 1295, 1330, 1406, 1480, 1520, 1610, 1702, 1748, 1840, 2072, 2128, 2185, 2576, 2590, 2660, 2812, 2960, 3040, 3059, 3220, 3404, 3496, 3515, 3680, 4144, 4255, 4256, 4370, 4921, 5152, 5180, 5320, 5624, 5920, 5957, 6118, 6440, 6808, 6992, 7030, 8288, 8510, 8740, 9842, 10360, 10640, 11248, 11914, 12236, 12880, 13616, 13984, 14060, 15295, 16169, 17020, 17480, 19684, 20720, 21280, 22496, 23828, 24472, 24605, 25760, 27232, 28120, 29785, 30590, 32338, 34040, 34960, 39368, 41440, 47656, 48944, 49210, 56240, 59570, 61180, 64676, 68080, 69920, 78736, 80845, 95312, 97888, 98420, 112480, 113183, 119140, 122360, 129352, 136160, 157472, 161690, 190624, 196840, 226366, 238280, 244720, 258704, 323380, 393680, 452732, 476560, 489440, 517408, 565915, 646760, 787360, 905464, 953120, 1131830, 1293520, 1810928, 2263660, 2587040, 3621856, 4527320, 9054640, 18109280]

約数ペア:

[(1, 18109280), (2, 9054640), (4, 4527320), (5, 3621856), (7, 2587040), (8, 2263660), (10, 1810928), (14, 1293520), (16, 1131830), (19, 953120), (20, 905464), (23, 787360), (28, 646760), (32, 565915), (35, 517408), (37, 489440), (38, 476560), (40, 452732), (46, 393680), (56, 323380), (70, 258704), (74, 244720), (76, 238280), (80, 226366), (92, 196840), (95, 190624), (112, 161690), (115, 157472), (133, 136160), (140, 129352), (148, 122360), (152, 119140), (160, 113183), (161, 112480), (184, 98420), (185, 97888), (190, 95312), (224, 80845), (230, 78736), (259, 69920), (266, 68080), (280, 64676), (296, 61180), (304, 59570), (322, 56240), (368, 49210), (370, 48944), (380, 47656), (437, 41440), (460, 39368), (518, 34960), (532, 34040), (560, 32338), (592, 30590), (608, 29785), (644, 28120), (665, 27232), (703, 25760), (736, 24605), (740, 24472), (760, 23828), (805, 22496), (851, 21280), (874, 20720), (920, 19684), (1036, 17480), (1064, 17020), (1120, 16169), (1184, 15295), (1288, 14060), (1295, 13984), (1330, 13616), (1406, 12880), (1480, 12236), (1520, 11914), (1610, 11248), (1702, 10640), (1748, 10360), (1840, 9842), (2072, 8740), (2128, 8510), (2185, 8288), (2576, 7030), (2590, 6992), (2660, 6808), (2812, 6440), (2960, 6118), (3040, 5957), (3059, 5920), (3220, 5624), (3404, 5320), (3496, 5180), (3515, 5152), (3680, 4921), (4144, 4370), (4255, 4256)]