12449180

素因数分解:

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

素因数の和:390

約数の個数: 36

約数和(自身を含む): 27672120

約数和(自身を除く): 15222940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 3439, 3620, 6878, 13756, 17195, 32761, 34390, 65522, 68780, 131044, 163805, 327610, 622459, 655220, 1244918, 2489836, 3112295, 6224590, 12449180]

約数ペア:

[(1, 12449180), (2, 6224590), (4, 3112295), (5, 2489836), (10, 1244918), (19, 655220), (20, 622459), (38, 327610), (76, 163805), (95, 131044), (181, 68780), (190, 65522), (362, 34390), (380, 32761), (724, 17195), (905, 13756), (1810, 6878), (3439, 3620)]