19886090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{983}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 43500672

約数和(自身を除く): 23614582

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 578, 595, 983, 1190, 1445, 1966, 2023, 2890, 4046, 4915, 6881, 9830, 10115, 13762, 16711, 20230, 33422, 34405, 68810, 83555, 116977, 167110, 233954, 284087, 568174, 584885, 1169770, 1420435, 1988609, 2840870, 3977218, 9943045, 19886090]

約数ペア:

[(1, 19886090), (2, 9943045), (5, 3977218), (7, 2840870), (10, 1988609), (14, 1420435), (17, 1169770), (34, 584885), (35, 568174), (70, 284087), (85, 233954), (119, 167110), (170, 116977), (238, 83555), (289, 68810), (578, 34405), (595, 33422), (983, 20230), (1190, 16711), (1445, 13762), (1966, 10115), (2023, 9830), (2890, 6881), (4046, 4915)]