18680451996

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{190097}}^1$

素因数の和:190554

約数の個数: 48

約数和(自身を含む): 45988508160

約数和(自身を除く): 27308056164

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 431, 862, 1293, 1724, 2586, 5172, 8189, 16378, 24567, 32756, 49134, 98268, 190097, 380194, 570291, 760388, 1140582, 2281164, 3611843, 7223686, 10835529, 14447372, 21671058, 43342116, 81931807, 163863614, 245795421, 327727228, 491590842, 983181684, 1556704333, 3113408666, 4670112999, 6226817332, 9340225998, 18680451996]

約数ペア:

[(1, 18680451996), (2, 9340225998), (3, 6226817332), (4, 4670112999), (6, 3113408666), (12, 1556704333), (19, 983181684), (38, 491590842), (57, 327727228), (76, 245795421), (114, 163863614), (228, 81931807), (431, 43342116), (862, 21671058), (1293, 14447372), (1724, 10835529), (2586, 7223686), (5172, 3611843), (8189, 2281164), (16378, 1140582), (24567, 760388), (32756, 570291), (49134, 380194), (98268, 190097)]