19136240

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{953}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 44715888

約数和(自身を除く): 25579648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 953, 1004, 1255, 1906, 2008, 2510, 3812, 4016, 4765, 5020, 7624, 9530, 10040, 15248, 19060, 20080, 38120, 76240, 239203, 478406, 956812, 1196015, 1913624, 2392030, 3827248, 4784060, 9568120, 19136240]

約数ペア:

[(1, 19136240), (2, 9568120), (4, 4784060), (5, 3827248), (8, 2392030), (10, 1913624), (16, 1196015), (20, 956812), (40, 478406), (80, 239203), (251, 76240), (502, 38120), (953, 20080), (1004, 19060), (1255, 15248), (1906, 10040), (2008, 9530), (2510, 7624), (3812, 5020), (4016, 4765)]