19370804520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{643121}}^1$

素因数の和:643386

約数の個数: 64

約数和(自身を含む): 58344027840

約数和(自身を除く): 38973223320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 15060, 30120, 643121, 1286242, 1929363, 2572484, 3215605, 3858726, 5144968, 6431210, 7717452, 9646815, 12862420, 15434904, 19293630, 25724840, 38587260, 77174520, 161423371, 322846742, 484270113, 645693484, 807116855, 968540226, 1291386968, 1614233710, 1937080452, 2421350565, 3228467420, 3874160904, 4842701130, 6456934840, 9685402260, 19370804520]

約数ペア:

[(1, 19370804520), (2, 9685402260), (3, 6456934840), (4, 4842701130), (5, 3874160904), (6, 3228467420), (8, 2421350565), (10, 1937080452), (12, 1614233710), (15, 1291386968), (20, 968540226), (24, 807116855), (30, 645693484), (40, 484270113), (60, 322846742), (120, 161423371), (251, 77174520), (502, 38587260), (753, 25724840), (1004, 19293630), (1255, 15434904), (1506, 12862420), (2008, 9646815), (2510, 7717452), (3012, 6431210), (3765, 5144968), (5020, 3858726), (6024, 3215605), (7530, 2572484), (10040, 1929363), (15060, 1286242), (30120, 643121)]