20194340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2797}}^1$

素因数の和:2844

約数の個数: 36

約数和(自身を含む): 44773596

約数和(自身を除く): 24579256

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2797, 3610, 5594, 7220, 11188, 13985, 27970, 53143, 55940, 106286, 212572, 265715, 531430, 1009717, 1062860, 2019434, 4038868, 5048585, 10097170, 20194340]

約数ペア:

[(1, 20194340), (2, 10097170), (4, 5048585), (5, 4038868), (10, 2019434), (19, 1062860), (20, 1009717), (38, 531430), (76, 265715), (95, 212572), (190, 106286), (361, 55940), (380, 53143), (722, 27970), (1444, 13985), (1805, 11188), (2797, 7220), (3610, 5594)]