19994328

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2027}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 54573480

約数和(自身を除く): 34579152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2027, 2466, 3288, 4054, 4932, 6081, 8108, 9864, 12162, 16216, 18243, 24324, 36486, 48648, 72972, 145944, 277699, 555398, 833097, 1110796, 1666194, 2221592, 2499291, 3332388, 4998582, 6664776, 9997164, 19994328]

約数ペア:

[(1, 19994328), (2, 9997164), (3, 6664776), (4, 4998582), (6, 3332388), (8, 2499291), (9, 2221592), (12, 1666194), (18, 1110796), (24, 833097), (36, 555398), (72, 277699), (137, 145944), (274, 72972), (411, 48648), (548, 36486), (822, 24324), (1096, 18243), (1233, 16216), (1644, 12162), (2027, 9864), (2466, 8108), (3288, 6081), (4054, 4932)]