19425666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 24700542

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 53, 74, 78, 106, 111, 127, 159, 222, 254, 318, 381, 481, 689, 762, 962, 1378, 1443, 1651, 1961, 2067, 2886, 3302, 3922, 4134, 4699, 4953, 5883, 6731, 9398, 9906, 11766, 13462, 14097, 20193, 25493, 28194, 40386, 50986, 61087, 76479, 87503, 122174, 152958, 175006, 183261, 249047, 262509, 366522, 498094, 525018, 747141, 1494282, 3237611, 6475222, 9712833, 19425666]

約数ペア:

[(1, 19425666), (2, 9712833), (3, 6475222), (6, 3237611), (13, 1494282), (26, 747141), (37, 525018), (39, 498094), (53, 366522), (74, 262509), (78, 249047), (106, 183261), (111, 175006), (127, 152958), (159, 122174), (222, 87503), (254, 76479), (318, 61087), (381, 50986), (481, 40386), (689, 28194), (762, 25493), (962, 20193), (1378, 14097), (1443, 13462), (1651, 11766), (1961, 9906), (2067, 9398), (2886, 6731), (3302, 5883), (3922, 4953), (4134, 4699)]