19040090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4357}}^1$

素因数の和:4406

約数の個数: 32

約数和(自身を含む): 37653120

約数和(自身を除く): 18613030

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4357, 4370, 8714, 21785, 43570, 82783, 100211, 165566, 200422, 413915, 501055, 827830, 1002110, 1904009, 3808018, 9520045, 19040090]

約数ペア:

[(1, 19040090), (2, 9520045), (5, 3808018), (10, 1904009), (19, 1002110), (23, 827830), (38, 501055), (46, 413915), (95, 200422), (115, 165566), (190, 100211), (230, 82783), (437, 43570), (874, 21785), (2185, 8714), (4357, 4370)]