19176080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 56204736

約数和(自身を除く): 37028656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 283, 308, 385, 440, 484, 560, 566, 605, 616, 770, 847, 880, 968, 1132, 1210, 1232, 1415, 1540, 1694, 1936, 1981, 2264, 2420, 2830, 3080, 3113, 3388, 3962, 4235, 4528, 4840, 5660, 6160, 6226, 6776, 7924, 8470, 9680, 9905, 11320, 12452, 13552, 15565, 15848, 16940, 19810, 21791, 22640, 24904, 31130, 31696, 33880, 34243, 39620, 43582, 49808, 62260, 67760, 68486, 79240, 87164, 108955, 124520, 136972, 158480, 171215, 174328, 217910, 239701, 249040, 273944, 342430, 348656, 435820, 479402, 547888, 684860, 871640, 958804, 1198505, 1369720, 1743280, 1917608, 2397010, 2739440, 3835216, 4794020, 9588040, 19176080]

約数ペア:

[(1, 19176080), (2, 9588040), (4, 4794020), (5, 3835216), (7, 2739440), (8, 2397010), (10, 1917608), (11, 1743280), (14, 1369720), (16, 1198505), (20, 958804), (22, 871640), (28, 684860), (35, 547888), (40, 479402), (44, 435820), (55, 348656), (56, 342430), (70, 273944), (77, 249040), (80, 239701), (88, 217910), (110, 174328), (112, 171215), (121, 158480), (140, 136972), (154, 124520), (176, 108955), (220, 87164), (242, 79240), (280, 68486), (283, 67760), (308, 62260), (385, 49808), (440, 43582), (484, 39620), (560, 34243), (566, 33880), (605, 31696), (616, 31130), (770, 24904), (847, 22640), (880, 21791), (968, 19810), (1132, 16940), (1210, 15848), (1232, 15565), (1415, 13552), (1540, 12452), (1694, 11320), (1936, 9905), (1981, 9680), (2264, 8470), (2420, 7924), (2830, 6776), (3080, 6226), (3113, 6160), (3388, 5660), (3962, 4840), (4235, 4528)]