19019408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 38330880

約数和(自身を除く): 19311472

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 367, 632, 656, 734, 1264, 1468, 2936, 3239, 5872, 6478, 12956, 15047, 25912, 28993, 30094, 51824, 57986, 60188, 115972, 120376, 231944, 240752, 463888, 1188713, 2377426, 4754852, 9509704, 19019408]

約数ペア:

[(1, 19019408), (2, 9509704), (4, 4754852), (8, 2377426), (16, 1188713), (41, 463888), (79, 240752), (82, 231944), (158, 120376), (164, 115972), (316, 60188), (328, 57986), (367, 51824), (632, 30094), (656, 28993), (734, 25912), (1264, 15047), (1468, 12956), (2936, 6478), (3239, 5872)]