18529966

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 37231488

約数和(自身を除く): 18701522

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 53, 91, 106, 113, 119, 182, 221, 226, 238, 371, 442, 689, 742, 791, 901, 1378, 1469, 1547, 1582, 1802, 1921, 2938, 3094, 3842, 4823, 5989, 6307, 9646, 10283, 11713, 11978, 12614, 13447, 20566, 23426, 24973, 26894, 41923, 49946, 77857, 81991, 83846, 101813, 155714, 163982, 174811, 203626, 349622, 544999, 712691, 1089998, 1323569, 1425382, 2647138, 9264983, 18529966]

約数ペア:

[(1, 18529966), (2, 9264983), (7, 2647138), (13, 1425382), (14, 1323569), (17, 1089998), (26, 712691), (34, 544999), (53, 349622), (91, 203626), (106, 174811), (113, 163982), (119, 155714), (182, 101813), (221, 83846), (226, 81991), (238, 77857), (371, 49946), (442, 41923), (689, 26894), (742, 24973), (791, 23426), (901, 20566), (1378, 13447), (1469, 12614), (1547, 11978), (1582, 11713), (1802, 10283), (1921, 9646), (2938, 6307), (3094, 5989), (3842, 4823)]