18034401

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 14140959

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 587, 627, 931, 1463, 1617, 1761, 2793, 4109, 4389, 6457, 10241, 11153, 12327, 19371, 28763, 30723, 33459, 45199, 78071, 86289, 122683, 135597, 234213, 316393, 368049, 546497, 858781, 949179, 1639491, 2576343, 6011467, 18034401]

約数ペア:

[(1, 18034401), (3, 6011467), (7, 2576343), (11, 1639491), (19, 949179), (21, 858781), (33, 546497), (49, 368049), (57, 316393), (77, 234213), (133, 135597), (147, 122683), (209, 86289), (231, 78071), (399, 45199), (539, 33459), (587, 30723), (627, 28763), (931, 19371), (1463, 12327), (1617, 11153), (1761, 10241), (2793, 6457), (4109, 4389)]