18915983784

素因数分解:

$2^3\times 3^4\times {\mathrm{103}}^1\times {\mathrm{283411}}^1$

素因数の和:283532

約数の個数: 80

約数和(自身を含む): 53496849120

約数和(自身を除く): 34580865336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 103, 108, 162, 206, 216, 309, 324, 412, 618, 648, 824, 927, 1236, 1854, 2472, 2781, 3708, 5562, 7416, 8343, 11124, 16686, 22248, 33372, 66744, 283411, 566822, 850233, 1133644, 1700466, 2267288, 2550699, 3400932, 5101398, 6801864, 7652097, 10202796, 15304194, 20405592, 22956291, 29191333, 30608388, 45912582, 58382666, 61216776, 87573999, 91825164, 116765332, 175147998, 183650328, 233530664, 262721997, 350295996, 525443994, 700591992, 788165991, 1050887988, 1576331982, 2101775976, 2364497973, 3152663964, 4728995946, 6305327928, 9457991892, 18915983784]

約数ペア:

[(1, 18915983784), (2, 9457991892), (3, 6305327928), (4, 4728995946), (6, 3152663964), (8, 2364497973), (9, 2101775976), (12, 1576331982), (18, 1050887988), (24, 788165991), (27, 700591992), (36, 525443994), (54, 350295996), (72, 262721997), (81, 233530664), (103, 183650328), (108, 175147998), (162, 116765332), (206, 91825164), (216, 87573999), (309, 61216776), (324, 58382666), (412, 45912582), (618, 30608388), (648, 29191333), (824, 22956291), (927, 20405592), (1236, 15304194), (1854, 10202796), (2472, 7652097), (2781, 6801864), (3708, 5101398), (5562, 3400932), (7416, 2550699), (8343, 2267288), (11124, 1700466), (16686, 1133644), (22248, 850233), (33372, 566822), (66744, 283411)]