19460640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40543}}^1$

素因数の和:40561

約数の個数: 48

約数和(自身を含む): 61302528

約数和(自身を除く): 41841888

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, 40543, 81086, 121629, 162172, 202715, 243258, 324344, 405430, 486516, 608145, 648688, 810860, 973032, 1216290, 1297376, 1621720, 1946064, 2432580, 3243440, 3892128, 4865160, 6486880, 9730320, 19460640]

約数ペア:

[(1, 19460640), (2, 9730320), (3, 6486880), (4, 4865160), (5, 3892128), (6, 3243440), (8, 2432580), (10, 1946064), (12, 1621720), (15, 1297376), (16, 1216290), (20, 973032), (24, 810860), (30, 648688), (32, 608145), (40, 486516), (48, 405430), (60, 324344), (80, 243258), (96, 202715), (120, 162172), (160, 121629), (240, 81086), (480, 40543)]