19663936

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 56

約数和(自身を含む): 41737280

約数和(自身を除く): 22073344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 103, 152, 157, 206, 304, 314, 412, 608, 628, 824, 1216, 1256, 1648, 1957, 2512, 2983, 3296, 3914, 5024, 5966, 6592, 7828, 10048, 11932, 15656, 16171, 23864, 31312, 32342, 47728, 62624, 64684, 95456, 125248, 129368, 190912, 258736, 307249, 517472, 614498, 1034944, 1228996, 2457992, 4915984, 9831968, 19663936]

約数ペア:

[(1, 19663936), (2, 9831968), (4, 4915984), (8, 2457992), (16, 1228996), (19, 1034944), (32, 614498), (38, 517472), (64, 307249), (76, 258736), (103, 190912), (152, 129368), (157, 125248), (206, 95456), (304, 64684), (314, 62624), (412, 47728), (608, 32342), (628, 31312), (824, 23864), (1216, 16171), (1256, 15656), (1648, 11932), (1957, 10048), (2512, 7828), (2983, 6592), (3296, 5966), (3914, 5024)]