19248140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^3$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 43730400

約数和(自身を除く): 24482260

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1369, 1406, 2738, 2812, 3515, 5476, 6845, 7030, 13690, 14060, 26011, 27380, 50653, 52022, 101306, 104044, 130055, 202612, 253265, 260110, 506530, 520220, 962407, 1013060, 1924814, 3849628, 4812035, 9624070, 19248140]

約数ペア:

[(1, 19248140), (2, 9624070), (4, 4812035), (5, 3849628), (10, 1924814), (19, 1013060), (20, 962407), (37, 520220), (38, 506530), (74, 260110), (76, 253265), (95, 202612), (148, 130055), (185, 104044), (190, 101306), (370, 52022), (380, 50653), (703, 27380), (740, 26011), (1369, 14060), (1406, 13690), (2738, 7030), (2812, 6845), (3515, 5476)]