18911248

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 38669400

約数和(自身を除く): 19758152

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 106, 116, 212, 232, 424, 464, 769, 848, 1537, 1538, 3074, 3076, 6148, 6152, 12296, 12304, 22301, 24592, 40757, 44602, 81514, 89204, 163028, 178408, 326056, 356816, 652112, 1181953, 2363906, 4727812, 9455624, 18911248]

約数ペア:

[(1, 18911248), (2, 9455624), (4, 4727812), (8, 2363906), (16, 1181953), (29, 652112), (53, 356816), (58, 326056), (106, 178408), (116, 163028), (212, 89204), (232, 81514), (424, 44602), (464, 40757), (769, 24592), (848, 22301), (1537, 12304), (1538, 12296), (3074, 6152), (3076, 6148)]