19980114

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 50734080

約数和(自身を除く): 30753966

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 59, 66, 77, 118, 154, 177, 231, 354, 413, 462, 649, 733, 826, 1239, 1298, 1466, 1947, 2199, 2478, 3894, 4398, 4543, 5131, 8063, 9086, 10262, 13629, 15393, 16126, 24189, 27258, 30786, 43247, 48378, 56441, 86494, 112882, 129741, 169323, 259482, 302729, 338646, 475717, 605458, 908187, 951434, 1427151, 1816374, 2854302, 3330019, 6660038, 9990057, 19980114]

約数ペア:

[(1, 19980114), (2, 9990057), (3, 6660038), (6, 3330019), (7, 2854302), (11, 1816374), (14, 1427151), (21, 951434), (22, 908187), (33, 605458), (42, 475717), (59, 338646), (66, 302729), (77, 259482), (118, 169323), (154, 129741), (177, 112882), (231, 86494), (354, 56441), (413, 48378), (462, 43247), (649, 30786), (733, 27258), (826, 24189), (1239, 16126), (1298, 15393), (1466, 13629), (1947, 10262), (2199, 9086), (2478, 8063), (3894, 5131), (4398, 4543)]