19259580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 54180000

約数和(自身を除く): 34920420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1249, 1285, 1542, 2498, 2570, 3084, 3747, 3855, 4996, 5140, 6245, 7494, 7710, 12490, 14988, 15420, 18735, 24980, 37470, 74940, 320993, 641986, 962979, 1283972, 1604965, 1925958, 3209930, 3851916, 4814895, 6419860, 9629790, 19259580]

約数ペア:

[(1, 19259580), (2, 9629790), (3, 6419860), (4, 4814895), (5, 3851916), (6, 3209930), (10, 1925958), (12, 1604965), (15, 1283972), (20, 962979), (30, 641986), (60, 320993), (257, 74940), (514, 37470), (771, 24980), (1028, 18735), (1249, 15420), (1285, 14988), (1542, 12490), (2498, 7710), (2570, 7494), (3084, 6245), (3747, 5140), (3855, 4996)]