18194420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 41186880

約数和(自身を除く): 22992460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 907, 1003, 1180, 1814, 2006, 3628, 4012, 4535, 5015, 9070, 10030, 15419, 18140, 20060, 30838, 53513, 61676, 77095, 107026, 154190, 214052, 267565, 308380, 535130, 909721, 1070260, 1819442, 3638884, 4548605, 9097210, 18194420]

約数ペア:

[(1, 18194420), (2, 9097210), (4, 4548605), (5, 3638884), (10, 1819442), (17, 1070260), (20, 909721), (34, 535130), (59, 308380), (68, 267565), (85, 214052), (118, 154190), (170, 107026), (236, 77095), (295, 61676), (340, 53513), (590, 30838), (907, 20060), (1003, 18140), (1180, 15419), (1814, 10030), (2006, 9070), (3628, 5015), (4012, 4535)]