30993712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2441

約数の個数: 40

約数和(自身を含む): 64708160

約数和(自身を除く): 33714448

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 2371, 3268, 4742, 6536, 9484, 13072, 18968, 37936, 45049, 90098, 101953, 180196, 203906, 360392, 407812, 720784, 815624, 1631248, 1937107, 3874214, 7748428, 15496856, 30993712]

約数ペア:

[(1, 30993712), (2, 15496856), (4, 7748428), (8, 3874214), (16, 1937107), (19, 1631248), (38, 815624), (43, 720784), (76, 407812), (86, 360392), (152, 203906), (172, 180196), (304, 101953), (344, 90098), (688, 45049), (817, 37936), (1634, 18968), (2371, 13072), (3268, 9484), (4742, 6536)]