309813506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{220351}}^1$

素因数の和:220409

約数の個数: 16

約数和(自身を含む): 502402560

約数和(自身を除く): 192589054

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 220351, 440702, 4186669, 8152987, 8373338, 16305974, 154906753, 309813506]

約数ペア:

[(1, 309813506), (2, 154906753), (19, 16305974), (37, 8373338), (38, 8152987), (74, 4186669), (703, 440702), (1406, 220351)]