18336080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 49282560

約数和(自身を除く): 30946480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 239, 274, 280, 478, 548, 560, 685, 956, 959, 1096, 1195, 1370, 1673, 1912, 1918, 2192, 2390, 2740, 3346, 3824, 3836, 4780, 4795, 5480, 6692, 7672, 8365, 9560, 9590, 10960, 13384, 15344, 16730, 19120, 19180, 26768, 32743, 33460, 38360, 65486, 66920, 76720, 130972, 133840, 163715, 229201, 261944, 327430, 458402, 523888, 654860, 916804, 1146005, 1309720, 1833608, 2292010, 2619440, 3667216, 4584020, 9168040, 18336080]

約数ペア:

[(1, 18336080), (2, 9168040), (4, 4584020), (5, 3667216), (7, 2619440), (8, 2292010), (10, 1833608), (14, 1309720), (16, 1146005), (20, 916804), (28, 654860), (35, 523888), (40, 458402), (56, 327430), (70, 261944), (80, 229201), (112, 163715), (137, 133840), (140, 130972), (239, 76720), (274, 66920), (280, 65486), (478, 38360), (548, 33460), (560, 32743), (685, 26768), (956, 19180), (959, 19120), (1096, 16730), (1195, 15344), (1370, 13384), (1673, 10960), (1912, 9590), (1918, 9560), (2192, 8365), (2390, 7672), (2740, 6692), (3346, 5480), (3824, 4795), (3836, 4780)]