18996818463

素因数分解:

$3^4\times 7^1\times {\mathrm{1733}}^1\times {\mathrm{19333}}^1$

素因数の和:21085

約数の個数: 40

約数和(自身を含む): 32452351008

約数和(自身を除く): 13455532545

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1733, 5199, 12131, 15597, 19333, 36393, 46791, 57999, 109179, 135331, 140373, 173997, 327537, 405993, 521991, 982611, 1217979, 1565973, 3653937, 10961811, 33504089, 100512267, 234528623, 301536801, 703585869, 904610403, 2110757607, 2713831209, 6332272821, 18996818463]

約数ペア:

[(1, 18996818463), (3, 6332272821), (7, 2713831209), (9, 2110757607), (21, 904610403), (27, 703585869), (63, 301536801), (81, 234528623), (189, 100512267), (567, 33504089), (1733, 10961811), (5199, 3653937), (12131, 1565973), (15597, 1217979), (19333, 982611), (36393, 521991), (46791, 405993), (57999, 327537), (109179, 173997), (135331, 140373)]