18067203

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 34784256

約数和(自身を除く): 16717053

約数列:

[1, 3, 7, 9, 11, 21, 29, 31, 33, 63, 77, 87, 93, 99, 203, 217, 231, 261, 279, 319, 341, 609, 651, 693, 841, 899, 957, 1023, 1827, 1953, 2233, 2387, 2523, 2697, 2871, 3069, 5887, 6293, 6699, 7161, 7569, 8091, 9251, 9889, 17661, 18879, 20097, 21483, 26071, 27753, 29667, 52983, 56637, 64757, 69223, 78213, 83259, 89001, 182497, 194271, 207669, 234639, 286781, 547491, 582813, 623007, 860343, 1642473, 2007467, 2581029, 6022401, 18067203]

約数ペア:

[(1, 18067203), (3, 6022401), (7, 2581029), (9, 2007467), (11, 1642473), (21, 860343), (29, 623007), (31, 582813), (33, 547491), (63, 286781), (77, 234639), (87, 207669), (93, 194271), (99, 182497), (203, 89001), (217, 83259), (231, 78213), (261, 69223), (279, 64757), (319, 56637), (341, 52983), (609, 29667), (651, 27753), (693, 26071), (841, 21483), (899, 20097), (957, 18879), (1023, 17661), (1827, 9889), (1953, 9251), (2233, 8091), (2387, 7569), (2523, 7161), (2697, 6699), (2871, 6293), (3069, 5887)]