18735080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5147}}^1$

素因数の和:5178

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 33156760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5147, 10294, 20588, 25735, 36029, 41176, 51470, 66911, 72058, 102940, 133822, 144116, 180145, 205880, 267644, 288232, 334555, 360290, 468377, 535288, 669110, 720580, 936754, 1338220, 1441160, 1873508, 2341885, 2676440, 3747016, 4683770, 9367540, 18735080]

約数ペア:

[(1, 18735080), (2, 9367540), (4, 4683770), (5, 3747016), (7, 2676440), (8, 2341885), (10, 1873508), (13, 1441160), (14, 1338220), (20, 936754), (26, 720580), (28, 669110), (35, 535288), (40, 468377), (52, 360290), (56, 334555), (65, 288232), (70, 267644), (91, 205880), (104, 180145), (130, 144116), (140, 133822), (182, 102940), (260, 72058), (280, 66911), (364, 51470), (455, 41176), (520, 36029), (728, 25735), (910, 20588), (1820, 10294), (3640, 5147)]