18743368

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1699}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 21648632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1699, 2758, 3398, 5516, 6796, 11032, 11893, 13592, 23786, 47572, 95144, 334703, 669406, 1338812, 2342921, 2677624, 4685842, 9371684, 18743368]

約数ペア:

[(1, 18743368), (2, 9371684), (4, 4685842), (7, 2677624), (8, 2342921), (14, 1338812), (28, 669406), (56, 334703), (197, 95144), (394, 47572), (788, 23786), (1379, 13592), (1576, 11893), (1699, 11032), (2758, 6796), (3398, 5516)]