19686672

素因数分解:

$2^4\times 3^3\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 57040000

約数和(自身を除く): 37353328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 199, 216, 229, 398, 432, 458, 597, 687, 796, 916, 1194, 1374, 1592, 1791, 1832, 2061, 2388, 2748, 3184, 3582, 3664, 4122, 4776, 5373, 5496, 6183, 7164, 8244, 9552, 10746, 10992, 12366, 14328, 16488, 21492, 24732, 28656, 32976, 42984, 45571, 49464, 85968, 91142, 98928, 136713, 182284, 273426, 364568, 410139, 546852, 729136, 820278, 1093704, 1230417, 1640556, 2187408, 2460834, 3281112, 4921668, 6562224, 9843336, 19686672]

約数ペア:

[(1, 19686672), (2, 9843336), (3, 6562224), (4, 4921668), (6, 3281112), (8, 2460834), (9, 2187408), (12, 1640556), (16, 1230417), (18, 1093704), (24, 820278), (27, 729136), (36, 546852), (48, 410139), (54, 364568), (72, 273426), (108, 182284), (144, 136713), (199, 98928), (216, 91142), (229, 85968), (398, 49464), (432, 45571), (458, 42984), (597, 32976), (687, 28656), (796, 24732), (916, 21492), (1194, 16488), (1374, 14328), (1592, 12366), (1791, 10992), (1832, 10746), (2061, 9552), (2388, 8244), (2748, 7164), (3184, 6183), (3582, 5496), (3664, 5373), (4122, 4776)]