12845216

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 27387360

約数和(自身を除く): 14542144

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 571, 592, 608, 703, 1142, 1184, 1406, 2284, 2812, 4568, 5624, 9136, 10849, 11248, 18272, 21127, 21698, 22496, 42254, 43396, 84508, 86792, 169016, 173584, 338032, 347168, 401413, 676064, 802826, 1605652, 3211304, 6422608, 12845216]

約数ペア:

[(1, 12845216), (2, 6422608), (4, 3211304), (8, 1605652), (16, 802826), (19, 676064), (32, 401413), (37, 347168), (38, 338032), (74, 173584), (76, 169016), (148, 86792), (152, 84508), (296, 43396), (304, 42254), (571, 22496), (592, 21698), (608, 21127), (703, 18272), (1142, 11248), (1184, 10849), (1406, 9136), (2284, 5624), (2812, 4568)]