18218640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 63138816

約数和(自身を除く): 44920176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 67, 80, 88, 103, 110, 120, 132, 134, 165, 176, 201, 206, 220, 240, 264, 268, 309, 330, 335, 402, 412, 440, 515, 528, 536, 618, 660, 670, 737, 804, 824, 880, 1005, 1030, 1072, 1133, 1236, 1320, 1340, 1474, 1545, 1608, 1648, 2010, 2060, 2211, 2266, 2472, 2640, 2680, 2948, 3090, 3216, 3399, 3685, 4020, 4120, 4422, 4532, 4944, 5360, 5665, 5896, 6180, 6798, 6901, 7370, 8040, 8240, 8844, 9064, 11055, 11330, 11792, 12360, 13596, 13802, 14740, 16080, 16995, 17688, 18128, 20703, 22110, 22660, 24720, 27192, 27604, 29480, 33990, 34505, 35376, 41406, 44220, 45320, 54384, 55208, 58960, 67980, 69010, 75911, 82812, 88440, 90640, 103515, 110416, 135960, 138020, 151822, 165624, 176880, 207030, 227733, 271920, 276040, 303644, 331248, 379555, 414060, 455466, 552080, 607288, 759110, 828120, 910932, 1138665, 1214576, 1518220, 1656240, 1821864, 2277330, 3036440, 3643728, 4554660, 6072880, 9109320, 18218640]

約数ペア:

[(1, 18218640), (2, 9109320), (3, 6072880), (4, 4554660), (5, 3643728), (6, 3036440), (8, 2277330), (10, 1821864), (11, 1656240), (12, 1518220), (15, 1214576), (16, 1138665), (20, 910932), (22, 828120), (24, 759110), (30, 607288), (33, 552080), (40, 455466), (44, 414060), (48, 379555), (55, 331248), (60, 303644), (66, 276040), (67, 271920), (80, 227733), (88, 207030), (103, 176880), (110, 165624), (120, 151822), (132, 138020), (134, 135960), (165, 110416), (176, 103515), (201, 90640), (206, 88440), (220, 82812), (240, 75911), (264, 69010), (268, 67980), (309, 58960), (330, 55208), (335, 54384), (402, 45320), (412, 44220), (440, 41406), (515, 35376), (528, 34505), (536, 33990), (618, 29480), (660, 27604), (670, 27192), (737, 24720), (804, 22660), (824, 22110), (880, 20703), (1005, 18128), (1030, 17688), (1072, 16995), (1133, 16080), (1236, 14740), (1320, 13802), (1340, 13596), (1474, 12360), (1545, 11792), (1608, 11330), (1648, 11055), (2010, 9064), (2060, 8844), (2211, 8240), (2266, 8040), (2472, 7370), (2640, 6901), (2680, 6798), (2948, 6180), (3090, 5896), (3216, 5665), (3399, 5360), (3685, 4944), (4020, 4532), (4120, 4422)]