19676640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40993}}^1$

素因数の和:41011

約数の個数: 48

約数和(自身を含む): 61982928

約数和(自身を除く): 42306288

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, 40993, 81986, 122979, 163972, 204965, 245958, 327944, 409930, 491916, 614895, 655888, 819860, 983832, 1229790, 1311776, 1639720, 1967664, 2459580, 3279440, 3935328, 4919160, 6558880, 9838320, 19676640]

約数ペア:

[(1, 19676640), (2, 9838320), (3, 6558880), (4, 4919160), (5, 3935328), (6, 3279440), (8, 2459580), (10, 1967664), (12, 1639720), (15, 1311776), (16, 1229790), (20, 983832), (24, 819860), (30, 655888), (32, 614895), (40, 491916), (48, 409930), (60, 327944), (80, 245958), (96, 204965), (120, 163972), (160, 122979), (240, 81986), (480, 40993)]