18543316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 38243520

約数和(自身を除く): 19700204

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 541, 779, 836, 902, 1082, 1558, 1804, 2164, 3116, 5951, 8569, 10279, 11902, 17138, 20558, 22181, 23804, 34276, 41116, 44362, 88724, 113069, 226138, 243991, 421439, 452276, 487982, 842878, 975964, 1685756, 4635829, 9271658, 18543316]

約数ペア:

[(1, 18543316), (2, 9271658), (4, 4635829), (11, 1685756), (19, 975964), (22, 842878), (38, 487982), (41, 452276), (44, 421439), (76, 243991), (82, 226138), (164, 113069), (209, 88724), (418, 44362), (451, 41116), (541, 34276), (779, 23804), (836, 22181), (902, 20558), (1082, 17138), (1558, 11902), (1804, 10279), (2164, 8569), (3116, 5951)]