19697172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 52002720

約数和(自身を除く): 32305548

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 109, 111, 132, 148, 218, 222, 327, 407, 436, 444, 654, 814, 1199, 1221, 1308, 1369, 1628, 2398, 2442, 2738, 3597, 4033, 4107, 4796, 4884, 5476, 7194, 8066, 8214, 12099, 14388, 15059, 16132, 16428, 24198, 30118, 44363, 45177, 48396, 60236, 88726, 90354, 133089, 149221, 177452, 180708, 266178, 298442, 447663, 532356, 596884, 895326, 1641431, 1790652, 3282862, 4924293, 6565724, 9848586, 19697172]

約数ペア:

[(1, 19697172), (2, 9848586), (3, 6565724), (4, 4924293), (6, 3282862), (11, 1790652), (12, 1641431), (22, 895326), (33, 596884), (37, 532356), (44, 447663), (66, 298442), (74, 266178), (109, 180708), (111, 177452), (132, 149221), (148, 133089), (218, 90354), (222, 88726), (327, 60236), (407, 48396), (436, 45177), (444, 44363), (654, 30118), (814, 24198), (1199, 16428), (1221, 16132), (1308, 15059), (1369, 14388), (1628, 12099), (2398, 8214), (2442, 8066), (2738, 7194), (3597, 5476), (4033, 4884), (4107, 4796)]