19740942

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 48121920

約数和(自身を除く): 28380978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 117, 122, 183, 234, 351, 366, 461, 549, 702, 793, 922, 1098, 1383, 1586, 1647, 2379, 2766, 3294, 4149, 4758, 5993, 7137, 8298, 11986, 12447, 14274, 17979, 21411, 24894, 28121, 35958, 42822, 53937, 56242, 84363, 107874, 161811, 168726, 253089, 323622, 365573, 506178, 731146, 759267, 1096719, 1518534, 2193438, 3290157, 6580314, 9870471, 19740942]

約数ペア:

[(1, 19740942), (2, 9870471), (3, 6580314), (6, 3290157), (9, 2193438), (13, 1518534), (18, 1096719), (26, 759267), (27, 731146), (39, 506178), (54, 365573), (61, 323622), (78, 253089), (117, 168726), (122, 161811), (183, 107874), (234, 84363), (351, 56242), (366, 53937), (461, 42822), (549, 35958), (702, 28121), (793, 24894), (922, 21411), (1098, 17979), (1383, 14274), (1586, 12447), (1647, 11986), (2379, 8298), (2766, 7137), (3294, 5993), (4149, 4758)]