13549660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 16720580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 197, 362, 380, 394, 724, 788, 905, 985, 1810, 1970, 3439, 3620, 3743, 3940, 6878, 7486, 13756, 14972, 17195, 18715, 34390, 35657, 37430, 68780, 71314, 74860, 142628, 178285, 356570, 677483, 713140, 1354966, 2709932, 3387415, 6774830, 13549660]

約数ペア:

[(1, 13549660), (2, 6774830), (4, 3387415), (5, 2709932), (10, 1354966), (19, 713140), (20, 677483), (38, 356570), (76, 178285), (95, 142628), (181, 74860), (190, 71314), (197, 68780), (362, 37430), (380, 35657), (394, 34390), (724, 18715), (788, 17195), (905, 14972), (985, 13756), (1810, 7486), (1970, 6878), (3439, 3940), (3620, 3743)]