19090010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 35625744

約数和(自身を除く): 16535734

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 410, 461, 505, 922, 1010, 2305, 4141, 4610, 8282, 18901, 20705, 37802, 41410, 46561, 93122, 94505, 189010, 232805, 465610, 1909001, 3818002, 9545005, 19090010]

約数ペア:

[(1, 19090010), (2, 9545005), (5, 3818002), (10, 1909001), (41, 465610), (82, 232805), (101, 189010), (202, 94505), (205, 93122), (410, 46561), (461, 41410), (505, 37802), (922, 20705), (1010, 18901), (2305, 8282), (4141, 4610)]