19150720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 47809440

約数和(自身を除く): 28658720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1301, 1472, 1840, 2602, 2944, 3680, 5204, 6505, 7360, 10408, 13010, 14720, 20816, 26020, 29923, 41632, 52040, 59846, 83264, 104080, 119692, 149615, 166528, 208160, 239384, 299230, 416320, 478768, 598460, 832640, 957536, 1196920, 1915072, 2393840, 3830144, 4787680, 9575360, 19150720]

約数ペア:

[(1, 19150720), (2, 9575360), (4, 4787680), (5, 3830144), (8, 2393840), (10, 1915072), (16, 1196920), (20, 957536), (23, 832640), (32, 598460), (40, 478768), (46, 416320), (64, 299230), (80, 239384), (92, 208160), (115, 166528), (128, 149615), (160, 119692), (184, 104080), (230, 83264), (320, 59846), (368, 52040), (460, 41632), (640, 29923), (736, 26020), (920, 20816), (1301, 14720), (1472, 13010), (1840, 10408), (2602, 7360), (2944, 6505), (3680, 5204)]