18781536

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6355

約数の個数: 48

約数和(自身を含む): 50899968

約数和(自身を除く): 32118432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 6311, 12622, 18933, 25244, 37866, 50488, 75732, 100976, 151464, 195641, 201952, 302928, 391282, 586923, 605856, 782564, 1173846, 1565128, 2347692, 3130256, 4695384, 6260512, 9390768, 18781536]

約数ペア:

[(1, 18781536), (2, 9390768), (3, 6260512), (4, 4695384), (6, 3130256), (8, 2347692), (12, 1565128), (16, 1173846), (24, 782564), (31, 605856), (32, 586923), (48, 391282), (62, 302928), (93, 201952), (96, 195641), (124, 151464), (186, 100976), (248, 75732), (372, 50488), (496, 37866), (744, 25244), (992, 18933), (1488, 12622), (2976, 6311)]