19436640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40493}}^1$

素因数の和:40511

約数の個数: 48

約数和(自身を含む): 61226928

約数和(自身を除く): 41790288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40493, 80986, 121479, 161972, 202465, 242958, 323944, 404930, 485916, 607395, 647888, 809860, 971832, 1214790, 1295776, 1619720, 1943664, 2429580, 3239440, 3887328, 4859160, 6478880, 9718320, 19436640]

約数ペア:

[(1, 19436640), (2, 9718320), (3, 6478880), (4, 4859160), (5, 3887328), (6, 3239440), (8, 2429580), (10, 1943664), (12, 1619720), (15, 1295776), (16, 1214790), (20, 971832), (24, 809860), (30, 647888), (32, 607395), (40, 485916), (48, 404930), (60, 323944), (80, 242958), (96, 202465), (120, 161972), (160, 121479), (240, 80986), (480, 40493)]