18402064

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 36747648

約数和(自身を除く): 18345584

約数列:

[1, 2, 4, 8, 16, 71, 97, 142, 167, 194, 284, 334, 388, 568, 668, 776, 1136, 1336, 1552, 2672, 6887, 11857, 13774, 16199, 23714, 27548, 32398, 47428, 55096, 64796, 94856, 110192, 129592, 189712, 259184, 1150129, 2300258, 4600516, 9201032, 18402064]

約数ペア:

[(1, 18402064), (2, 9201032), (4, 4600516), (8, 2300258), (16, 1150129), (71, 259184), (97, 189712), (142, 129592), (167, 110192), (194, 94856), (284, 64796), (334, 55096), (388, 47428), (568, 32398), (668, 27548), (776, 23714), (1136, 16199), (1336, 13774), (1552, 11857), (2672, 6887)]