18181944

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 54152280

約数和(自身を除く): 35970336

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2087, 2178, 2904, 4174, 4356, 6261, 8348, 8712, 12522, 16696, 18783, 22957, 25044, 37566, 45914, 50088, 68871, 75132, 91828, 137742, 150264, 183656, 206613, 252527, 275484, 413226, 505054, 550968, 757581, 826452, 1010108, 1515162, 1652904, 2020216, 2272743, 3030324, 4545486, 6060648, 9090972, 18181944]

約数ペア:

[(1, 18181944), (2, 9090972), (3, 6060648), (4, 4545486), (6, 3030324), (8, 2272743), (9, 2020216), (11, 1652904), (12, 1515162), (18, 1010108), (22, 826452), (24, 757581), (33, 550968), (36, 505054), (44, 413226), (66, 275484), (72, 252527), (88, 206613), (99, 183656), (121, 150264), (132, 137742), (198, 91828), (242, 75132), (264, 68871), (363, 50088), (396, 45914), (484, 37566), (726, 25044), (792, 22957), (968, 18783), (1089, 16696), (1452, 12522), (2087, 8712), (2178, 8348), (2904, 6261), (4174, 4356)]