17940460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 40271616

約数和(自身を除く): 22331156

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 907, 989, 1814, 1978, 3628, 3956, 4535, 4945, 9070, 9890, 18140, 19780, 20861, 39001, 41722, 78002, 83444, 104305, 156004, 195005, 208610, 390010, 417220, 780020, 897023, 1794046, 3588092, 4485115, 8970230, 17940460]

約数ペア:

[(1, 17940460), (2, 8970230), (4, 4485115), (5, 3588092), (10, 1794046), (20, 897023), (23, 780020), (43, 417220), (46, 390010), (86, 208610), (92, 195005), (115, 156004), (172, 104305), (215, 83444), (230, 78002), (430, 41722), (460, 39001), (860, 20861), (907, 19780), (989, 18140), (1814, 9890), (1978, 9070), (3628, 4945), (3956, 4535)]