17980326

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3659}}^1$

素因数の和:3690

約数の個数: 64

約数和(自身を含む): 49190400

約数和(自身を除く): 31210074

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 3659, 4914, 7318, 10977, 21954, 25613, 32931, 47567, 51226, 65862, 76839, 95134, 98793, 142701, 153678, 197586, 230517, 285402, 332969, 428103, 461034, 665938, 691551, 856206, 998907, 1284309, 1383102, 1997814, 2568618, 2996721, 5993442, 8990163, 17980326]

約数ペア:

[(1, 17980326), (2, 8990163), (3, 5993442), (6, 2996721), (7, 2568618), (9, 1997814), (13, 1383102), (14, 1284309), (18, 998907), (21, 856206), (26, 691551), (27, 665938), (39, 461034), (42, 428103), (54, 332969), (63, 285402), (78, 230517), (91, 197586), (117, 153678), (126, 142701), (182, 98793), (189, 95134), (234, 76839), (273, 65862), (351, 51226), (378, 47567), (546, 32931), (702, 25613), (819, 21954), (1638, 10977), (2457, 7318), (3659, 4914)]