17869840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1759

約数の個数: 40

約数和(自身を含む): 41872320

約数和(自身を除く): 24002480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1607, 2224, 2780, 3214, 5560, 6428, 8035, 11120, 12856, 16070, 25712, 32140, 64280, 128560, 223373, 446746, 893492, 1116865, 1786984, 2233730, 3573968, 4467460, 8934920, 17869840]

約数ペア:

[(1, 17869840), (2, 8934920), (4, 4467460), (5, 3573968), (8, 2233730), (10, 1786984), (16, 1116865), (20, 893492), (40, 446746), (80, 223373), (139, 128560), (278, 64280), (556, 32140), (695, 25712), (1112, 16070), (1390, 12856), (1607, 11120), (2224, 8035), (2780, 6428), (3214, 5560)]