18500244

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 51020928

約数和(自身を除く): 32520684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 431, 438, 511, 588, 862, 876, 1022, 1293, 1533, 1724, 2044, 2586, 3017, 3066, 3577, 5172, 6034, 6132, 7154, 9051, 10731, 12068, 14308, 18102, 21119, 21462, 31463, 36204, 42238, 42924, 62926, 63357, 84476, 94389, 125852, 126714, 188778, 220241, 253428, 377556, 440482, 660723, 880964, 1321446, 1541687, 2642892, 3083374, 4625061, 6166748, 9250122, 18500244]

約数ペア:

[(1, 18500244), (2, 9250122), (3, 6166748), (4, 4625061), (6, 3083374), (7, 2642892), (12, 1541687), (14, 1321446), (21, 880964), (28, 660723), (42, 440482), (49, 377556), (73, 253428), (84, 220241), (98, 188778), (146, 126714), (147, 125852), (196, 94389), (219, 84476), (292, 63357), (294, 62926), (431, 42924), (438, 42238), (511, 36204), (588, 31463), (862, 21462), (876, 21119), (1022, 18102), (1293, 14308), (1533, 12068), (1724, 10731), (2044, 9051), (2586, 7154), (3017, 6132), (3066, 6034), (3577, 5172)]