19958784

素因数分解:

$2^{10}\times 3^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 88

約数和(自身を含む): 54532080

約数和(自身を除く): 34573296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 89, 96, 128, 146, 178, 192, 219, 256, 267, 292, 356, 384, 438, 512, 534, 584, 712, 768, 876, 1024, 1068, 1168, 1424, 1536, 1752, 2136, 2336, 2848, 3072, 3504, 4272, 4672, 5696, 6497, 7008, 8544, 9344, 11392, 12994, 14016, 17088, 18688, 19491, 22784, 25988, 28032, 34176, 37376, 38982, 45568, 51976, 56064, 68352, 74752, 77964, 91136, 103952, 112128, 136704, 155928, 207904, 224256, 273408, 311856, 415808, 623712, 831616, 1247424, 1663232, 2494848, 3326464, 4989696, 6652928, 9979392, 19958784]

約数ペア:

[(1, 19958784), (2, 9979392), (3, 6652928), (4, 4989696), (6, 3326464), (8, 2494848), (12, 1663232), (16, 1247424), (24, 831616), (32, 623712), (48, 415808), (64, 311856), (73, 273408), (89, 224256), (96, 207904), (128, 155928), (146, 136704), (178, 112128), (192, 103952), (219, 91136), (256, 77964), (267, 74752), (292, 68352), (356, 56064), (384, 51976), (438, 45568), (512, 38982), (534, 37376), (584, 34176), (712, 28032), (768, 25988), (876, 22784), (1024, 19491), (1068, 18688), (1168, 17088), (1424, 14016), (1536, 12994), (1752, 11392), (2136, 9344), (2336, 8544), (2848, 7008), (3072, 6497), (3504, 5696), (4272, 4672)]