18032920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 44867520

約数和(自身を除く): 26834600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1153, 1564, 1955, 2306, 3128, 3910, 4612, 5765, 7820, 9224, 11530, 15640, 19601, 23060, 26519, 39202, 46120, 53038, 78404, 98005, 106076, 132595, 156808, 196010, 212152, 265190, 392020, 450823, 530380, 784040, 901646, 1060760, 1803292, 2254115, 3606584, 4508230, 9016460, 18032920]

約数ペア:

[(1, 18032920), (2, 9016460), (4, 4508230), (5, 3606584), (8, 2254115), (10, 1803292), (17, 1060760), (20, 901646), (23, 784040), (34, 530380), (40, 450823), (46, 392020), (68, 265190), (85, 212152), (92, 196010), (115, 156808), (136, 132595), (170, 106076), (184, 98005), (230, 78404), (340, 53038), (391, 46120), (460, 39202), (680, 26519), (782, 23060), (920, 19601), (1153, 15640), (1564, 11530), (1955, 9224), (2306, 7820), (3128, 5765), (3910, 4612)]