19258360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 49986720

約数和(自身を除く): 30728360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 173, 184, 220, 230, 242, 253, 346, 440, 460, 484, 506, 605, 692, 865, 920, 968, 1012, 1210, 1265, 1384, 1730, 1903, 2024, 2420, 2530, 2783, 3460, 3806, 3979, 4840, 5060, 5566, 6920, 7612, 7958, 9515, 10120, 11132, 13915, 15224, 15916, 19030, 19895, 20933, 22264, 27830, 31832, 38060, 39790, 41866, 43769, 55660, 76120, 79580, 83732, 87538, 104665, 111320, 159160, 167464, 175076, 209330, 218845, 350152, 418660, 437690, 481459, 837320, 875380, 962918, 1750760, 1925836, 2407295, 3851672, 4814590, 9629180, 19258360]

約数ペア:

[(1, 19258360), (2, 9629180), (4, 4814590), (5, 3851672), (8, 2407295), (10, 1925836), (11, 1750760), (20, 962918), (22, 875380), (23, 837320), (40, 481459), (44, 437690), (46, 418660), (55, 350152), (88, 218845), (92, 209330), (110, 175076), (115, 167464), (121, 159160), (173, 111320), (184, 104665), (220, 87538), (230, 83732), (242, 79580), (253, 76120), (346, 55660), (440, 43769), (460, 41866), (484, 39790), (506, 38060), (605, 31832), (692, 27830), (865, 22264), (920, 20933), (968, 19895), (1012, 19030), (1210, 15916), (1265, 15224), (1384, 13915), (1730, 11132), (1903, 10120), (2024, 9515), (2420, 7958), (2530, 7612), (2783, 6920), (3460, 5566), (3806, 5060), (3979, 4840)]