15918656

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 84

約数和(自身を含む): 36580572

約数和(自身を除く): 20661916

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 53, 64, 76, 104, 106, 152, 208, 212, 247, 304, 361, 416, 424, 494, 608, 689, 722, 832, 848, 988, 1007, 1216, 1378, 1444, 1696, 1976, 2014, 2756, 2888, 3392, 3952, 4028, 4693, 5512, 5776, 7904, 8056, 9386, 11024, 11552, 13091, 15808, 16112, 18772, 19133, 22048, 23104, 26182, 32224, 37544, 38266, 44096, 52364, 64448, 75088, 76532, 104728, 150176, 153064, 209456, 248729, 300352, 306128, 418912, 497458, 612256, 837824, 994916, 1224512, 1989832, 3979664, 7959328, 15918656]

約数ペア:

[(1, 15918656), (2, 7959328), (4, 3979664), (8, 1989832), (13, 1224512), (16, 994916), (19, 837824), (26, 612256), (32, 497458), (38, 418912), (52, 306128), (53, 300352), (64, 248729), (76, 209456), (104, 153064), (106, 150176), (152, 104728), (208, 76532), (212, 75088), (247, 64448), (304, 52364), (361, 44096), (416, 38266), (424, 37544), (494, 32224), (608, 26182), (689, 23104), (722, 22048), (832, 19133), (848, 18772), (988, 16112), (1007, 15808), (1216, 13091), (1378, 11552), (1444, 11024), (1696, 9386), (1976, 8056), (2014, 7904), (2756, 5776), (2888, 5512), (3392, 4693), (3952, 4028)]