18802210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 41518080

約数和(自身を除く): 22715870

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 67, 70, 95, 133, 134, 190, 211, 266, 335, 422, 469, 665, 670, 938, 1055, 1273, 1330, 1477, 2110, 2345, 2546, 2954, 4009, 4690, 6365, 7385, 8018, 8911, 12730, 14137, 14770, 17822, 20045, 28063, 28274, 40090, 44555, 56126, 70685, 89110, 98959, 140315, 141370, 197918, 268603, 280630, 494795, 537206, 989590, 1343015, 1880221, 2686030, 3760442, 9401105, 18802210]

約数ペア:

[(1, 18802210), (2, 9401105), (5, 3760442), (7, 2686030), (10, 1880221), (14, 1343015), (19, 989590), (35, 537206), (38, 494795), (67, 280630), (70, 268603), (95, 197918), (133, 141370), (134, 140315), (190, 98959), (211, 89110), (266, 70685), (335, 56126), (422, 44555), (469, 40090), (665, 28274), (670, 28063), (938, 20045), (1055, 17822), (1273, 14770), (1330, 14137), (1477, 12730), (2110, 8911), (2345, 8018), (2546, 7385), (2954, 6365), (4009, 4690)]