19980857574

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5362549}}^1$

素因数の和:5362586

約数の個数: 40

約数和(自身を含む): 46718535600

約数和(自身を除く): 26737678026

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5362549, 10725098, 16087647, 32175294, 48262941, 96525882, 123338627, 144788823, 246677254, 289577646, 370015881, 434366469, 740031762, 868732938, 1110047643, 2220095286, 3330142929, 6660285858, 9990428787, 19980857574]

約数ペア:

[(1, 19980857574), (2, 9990428787), (3, 6660285858), (6, 3330142929), (9, 2220095286), (18, 1110047643), (23, 868732938), (27, 740031762), (46, 434366469), (54, 370015881), (69, 289577646), (81, 246677254), (138, 144788823), (162, 123338627), (207, 96525882), (414, 48262941), (621, 32175294), (1242, 16087647), (1863, 10725098), (3726, 5362549)]