18373240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 43804800

約数和(自身を除く): 25431560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 337, 376, 470, 580, 674, 940, 1160, 1348, 1363, 1685, 1880, 2696, 2726, 3370, 5452, 6740, 6815, 9773, 10904, 13480, 13630, 15839, 19546, 27260, 31678, 39092, 48865, 54520, 63356, 78184, 79195, 97730, 126712, 158390, 195460, 316780, 390920, 459331, 633560, 918662, 1837324, 2296655, 3674648, 4593310, 9186620, 18373240]

約数ペア:

[(1, 18373240), (2, 9186620), (4, 4593310), (5, 3674648), (8, 2296655), (10, 1837324), (20, 918662), (29, 633560), (40, 459331), (47, 390920), (58, 316780), (94, 195460), (116, 158390), (145, 126712), (188, 97730), (232, 79195), (235, 78184), (290, 63356), (337, 54520), (376, 48865), (470, 39092), (580, 31678), (674, 27260), (940, 19546), (1160, 15839), (1348, 13630), (1363, 13480), (1685, 10904), (1880, 9773), (2696, 6815), (2726, 6740), (3370, 5452)]