19272640

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 46268640

約数和(自身を除く): 26996000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 263, 320, 458, 526, 916, 1052, 1145, 1315, 1832, 2104, 2290, 2630, 3664, 4208, 4580, 5260, 7328, 8416, 9160, 10520, 14656, 16832, 18320, 21040, 36640, 42080, 60227, 73280, 84160, 120454, 240908, 301135, 481816, 602270, 963632, 1204540, 1927264, 2409080, 3854528, 4818160, 9636320, 19272640]

約数ペア:

[(1, 19272640), (2, 9636320), (4, 4818160), (5, 3854528), (8, 2409080), (10, 1927264), (16, 1204540), (20, 963632), (32, 602270), (40, 481816), (64, 301135), (80, 240908), (160, 120454), (229, 84160), (263, 73280), (320, 60227), (458, 42080), (526, 36640), (916, 21040), (1052, 18320), (1145, 16832), (1315, 14656), (1832, 10520), (2104, 9160), (2290, 8416), (2630, 7328), (3664, 5260), (4208, 4580)]