18761463

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 33933240

約数和(自身を除く): 15171777

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 163, 189, 203, 261, 441, 489, 567, 609, 783, 1141, 1323, 1421, 1467, 1827, 2349, 3423, 3969, 4263, 4401, 4727, 5481, 7987, 10269, 12789, 13203, 14181, 16443, 23961, 30807, 33089, 38367, 42543, 71883, 92421, 99267, 115101, 127629, 215649, 231623, 297801, 382887, 646947, 694869, 893403, 2084607, 2680209, 6253821, 18761463]

約数ペア:

[(1, 18761463), (3, 6253821), (7, 2680209), (9, 2084607), (21, 893403), (27, 694869), (29, 646947), (49, 382887), (63, 297801), (81, 231623), (87, 215649), (147, 127629), (163, 115101), (189, 99267), (203, 92421), (261, 71883), (441, 42543), (489, 38367), (567, 33089), (609, 30807), (783, 23961), (1141, 16443), (1323, 14181), (1421, 13203), (1467, 12789), (1827, 10269), (2349, 7987), (3423, 5481), (3969, 4727), (4263, 4401)]