18014840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4643}}^1$

素因数の和:4751

約数の個数: 32

約数和(自身を含む): 40960080

約数和(自身を除く): 22945240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4643, 9286, 18572, 23215, 37144, 46430, 92860, 185720, 450371, 900742, 1801484, 2251855, 3602968, 4503710, 9007420, 18014840]

約数ペア:

[(1, 18014840), (2, 9007420), (4, 4503710), (5, 3602968), (8, 2251855), (10, 1801484), (20, 900742), (40, 450371), (97, 185720), (194, 92860), (388, 46430), (485, 37144), (776, 23215), (970, 18572), (1940, 9286), (3880, 4643)]