19801296

素因数分解:

$2^4\times 3^2\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 60

約数和(自身を含む): 55775200

約数和(自身を除く): 35973904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 199, 398, 597, 691, 796, 1194, 1382, 1592, 1791, 2073, 2388, 2764, 3184, 3582, 4146, 4776, 5528, 6219, 7164, 8292, 9552, 11056, 12438, 14328, 16584, 24876, 28656, 33168, 49752, 99504, 137509, 275018, 412527, 550036, 825054, 1100072, 1237581, 1650108, 2200144, 2475162, 3300216, 4950324, 6600432, 9900648, 19801296]

約数ペア:

[(1, 19801296), (2, 9900648), (3, 6600432), (4, 4950324), (6, 3300216), (8, 2475162), (9, 2200144), (12, 1650108), (16, 1237581), (18, 1100072), (24, 825054), (36, 550036), (48, 412527), (72, 275018), (144, 137509), (199, 99504), (398, 49752), (597, 33168), (691, 28656), (796, 24876), (1194, 16584), (1382, 14328), (1592, 12438), (1791, 11056), (2073, 9552), (2388, 8292), (2764, 7164), (3184, 6219), (3582, 5528), (4146, 4776)]