18980184

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 30694056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 97, 124, 186, 194, 248, 263, 291, 372, 388, 526, 582, 744, 776, 789, 1052, 1164, 1578, 2104, 2328, 3007, 3156, 6014, 6312, 8153, 9021, 12028, 16306, 18042, 24056, 24459, 25511, 32612, 36084, 48918, 51022, 65224, 72168, 76533, 97836, 102044, 153066, 195672, 204088, 306132, 612264, 790841, 1581682, 2372523, 3163364, 4745046, 6326728, 9490092, 18980184]

約数ペア:

[(1, 18980184), (2, 9490092), (3, 6326728), (4, 4745046), (6, 3163364), (8, 2372523), (12, 1581682), (24, 790841), (31, 612264), (62, 306132), (93, 204088), (97, 195672), (124, 153066), (186, 102044), (194, 97836), (248, 76533), (263, 72168), (291, 65224), (372, 51022), (388, 48918), (526, 36084), (582, 32612), (744, 25511), (776, 24459), (789, 24056), (1052, 18042), (1164, 16306), (1578, 12028), (2104, 9021), (2328, 8153), (3007, 6312), (3156, 6014)]