19489280

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 80

約数和(自身を含む): 48907584

約数和(自身を除く): 29418304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 331, 368, 460, 512, 640, 662, 736, 920, 1280, 1324, 1472, 1655, 1840, 2560, 2648, 2944, 3310, 3680, 5296, 5888, 6620, 7360, 7613, 10592, 11776, 13240, 14720, 15226, 21184, 26480, 29440, 30452, 38065, 42368, 52960, 58880, 60904, 76130, 84736, 105920, 121808, 152260, 169472, 211840, 243616, 304520, 423680, 487232, 609040, 847360, 974464, 1218080, 1948928, 2436160, 3897856, 4872320, 9744640, 19489280]

約数ペア:

[(1, 19489280), (2, 9744640), (4, 4872320), (5, 3897856), (8, 2436160), (10, 1948928), (16, 1218080), (20, 974464), (23, 847360), (32, 609040), (40, 487232), (46, 423680), (64, 304520), (80, 243616), (92, 211840), (115, 169472), (128, 152260), (160, 121808), (184, 105920), (230, 84736), (256, 76130), (320, 60904), (331, 58880), (368, 52960), (460, 42368), (512, 38065), (640, 30452), (662, 29440), (736, 26480), (920, 21184), (1280, 15226), (1324, 14720), (1472, 13240), (1655, 11776), (1840, 10592), (2560, 7613), (2648, 7360), (2944, 6620), (3310, 5888), (3680, 5296)]