18798896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 37997568

約数和(自身を除く): 19198672

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 251, 302, 496, 502, 604, 1004, 1208, 2008, 2416, 4016, 4681, 7781, 9362, 15562, 18724, 31124, 37448, 37901, 62248, 74896, 75802, 124496, 151604, 303208, 606416, 1174931, 2349862, 4699724, 9399448, 18798896]

約数ペア:

[(1, 18798896), (2, 9399448), (4, 4699724), (8, 2349862), (16, 1174931), (31, 606416), (62, 303208), (124, 151604), (151, 124496), (248, 75802), (251, 74896), (302, 62248), (496, 37901), (502, 37448), (604, 31124), (1004, 18724), (1208, 15562), (2008, 9362), (2416, 7781), (4016, 4681)]