19852680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7193}}^1$

素因数の和:7230

約数の個数: 64

約数和(自身を含む): 62156160

約数和(自身を除く): 42303480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7193, 14386, 21579, 28772, 35965, 43158, 57544, 71930, 86316, 107895, 143860, 165439, 172632, 215790, 287720, 330878, 431580, 496317, 661756, 827195, 863160, 992634, 1323512, 1654390, 1985268, 2481585, 3308780, 3970536, 4963170, 6617560, 9926340, 19852680]

約数ペア:

[(1, 19852680), (2, 9926340), (3, 6617560), (4, 4963170), (5, 3970536), (6, 3308780), (8, 2481585), (10, 1985268), (12, 1654390), (15, 1323512), (20, 992634), (23, 863160), (24, 827195), (30, 661756), (40, 496317), (46, 431580), (60, 330878), (69, 287720), (92, 215790), (115, 172632), (120, 165439), (138, 143860), (184, 107895), (230, 86316), (276, 71930), (345, 57544), (460, 43158), (552, 35965), (690, 28772), (920, 21579), (1380, 14386), (2760, 7193)]