18902784

素因数分解:

$2^8\times 3^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 50952832

約数和(自身を除く): 32050048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 151, 163, 192, 256, 302, 326, 384, 453, 489, 604, 652, 768, 906, 978, 1208, 1304, 1812, 1956, 2416, 2608, 3624, 3912, 4832, 5216, 7248, 7824, 9664, 10432, 14496, 15648, 19328, 20864, 24613, 28992, 31296, 38656, 41728, 49226, 57984, 62592, 73839, 98452, 115968, 125184, 147678, 196904, 295356, 393808, 590712, 787616, 1181424, 1575232, 2362848, 3150464, 4725696, 6300928, 9451392, 18902784]

約数ペア:

[(1, 18902784), (2, 9451392), (3, 6300928), (4, 4725696), (6, 3150464), (8, 2362848), (12, 1575232), (16, 1181424), (24, 787616), (32, 590712), (48, 393808), (64, 295356), (96, 196904), (128, 147678), (151, 125184), (163, 115968), (192, 98452), (256, 73839), (302, 62592), (326, 57984), (384, 49226), (453, 41728), (489, 38656), (604, 31296), (652, 28992), (768, 24613), (906, 20864), (978, 19328), (1208, 15648), (1304, 14496), (1812, 10432), (1956, 9664), (2416, 7824), (2608, 7248), (3624, 5216), (3912, 4832)]