2018640788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1\times {\mathrm{953}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 3808062720

約数和(自身を除く): 1789421932

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 593, 893, 953, 1186, 1786, 1906, 2372, 3572, 3812, 11267, 18107, 22534, 27871, 36214, 44791, 45068, 55742, 72428, 89582, 111484, 179164, 529549, 565129, 851029, 1059098, 1130258, 1702058, 2118196, 2260516, 3404116, 10737451, 21474902, 26561063, 42949804, 53122126, 106244252, 504660197, 1009320394, 2018640788]

約数ペア:

[(1, 2018640788), (2, 1009320394), (4, 504660197), (19, 106244252), (38, 53122126), (47, 42949804), (76, 26561063), (94, 21474902), (188, 10737451), (593, 3404116), (893, 2260516), (953, 2118196), (1186, 1702058), (1786, 1130258), (1906, 1059098), (2372, 851029), (3572, 565129), (3812, 529549), (11267, 179164), (18107, 111484), (22534, 89582), (27871, 72428), (36214, 55742), (44791, 45068)]