19774480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 52389504

約数和(自身を除く): 32615024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 977, 1012, 1265, 1840, 1954, 2024, 2530, 3908, 4048, 4885, 5060, 7816, 9770, 10120, 10747, 15632, 19540, 20240, 21494, 22471, 39080, 42988, 44942, 53735, 78160, 85976, 89884, 107470, 112355, 171952, 179768, 214940, 224710, 247181, 359536, 429880, 449420, 494362, 859760, 898840, 988724, 1235905, 1797680, 1977448, 2471810, 3954896, 4943620, 9887240, 19774480]

約数ペア:

[(1, 19774480), (2, 9887240), (4, 4943620), (5, 3954896), (8, 2471810), (10, 1977448), (11, 1797680), (16, 1235905), (20, 988724), (22, 898840), (23, 859760), (40, 494362), (44, 449420), (46, 429880), (55, 359536), (80, 247181), (88, 224710), (92, 214940), (110, 179768), (115, 171952), (176, 112355), (184, 107470), (220, 89884), (230, 85976), (253, 78160), (368, 53735), (440, 44942), (460, 42988), (506, 39080), (880, 22471), (920, 21494), (977, 20240), (1012, 19540), (1265, 15632), (1840, 10747), (1954, 10120), (2024, 9770), (2530, 7816), (3908, 5060), (4048, 4885)]