18883188

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1453}}^1$

素因数の和:1501

約数の個数: 54

約数和(自身を含む): 50411634

約数和(自身を除く): 31528446

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1453, 2166, 2906, 3249, 4332, 4359, 5812, 6498, 8718, 12996, 13077, 17436, 26154, 27607, 52308, 55214, 82821, 110428, 165642, 248463, 331284, 496926, 524533, 993852, 1049066, 1573599, 2098132, 3147198, 4720797, 6294396, 9441594, 18883188]

約数ペア:

[(1, 18883188), (2, 9441594), (3, 6294396), (4, 4720797), (6, 3147198), (9, 2098132), (12, 1573599), (18, 1049066), (19, 993852), (36, 524533), (38, 496926), (57, 331284), (76, 248463), (114, 165642), (171, 110428), (228, 82821), (342, 55214), (361, 52308), (684, 27607), (722, 26154), (1083, 17436), (1444, 13077), (1453, 12996), (2166, 8718), (2906, 6498), (3249, 5812), (4332, 4359)]