18401418

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{601}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 47389440

約数和(自身を除く): 28988022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 601, 729, 1134, 1202, 1458, 1701, 1803, 2187, 3402, 3606, 4207, 4374, 5103, 5409, 8414, 10206, 10818, 12621, 15309, 16227, 25242, 30618, 32454, 37863, 48681, 75726, 97362, 113589, 146043, 227178, 292086, 340767, 438129, 681534, 876258, 1022301, 1314387, 2044602, 2628774, 3066903, 6133806, 9200709, 18401418]

約数ペア:

[(1, 18401418), (2, 9200709), (3, 6133806), (6, 3066903), (7, 2628774), (9, 2044602), (14, 1314387), (18, 1022301), (21, 876258), (27, 681534), (42, 438129), (54, 340767), (63, 292086), (81, 227178), (126, 146043), (162, 113589), (189, 97362), (243, 75726), (378, 48681), (486, 37863), (567, 32454), (601, 30618), (729, 25242), (1134, 16227), (1202, 15309), (1458, 12621), (1701, 10818), (1803, 10206), (2187, 8414), (3402, 5409), (3606, 5103), (4207, 4374)]