19692880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6653}}^1$

素因数の和:6703

約数の個数: 40

約数和(自身を含む): 47030472

約数和(自身を除く): 27337592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6653, 13306, 26612, 33265, 53224, 66530, 106448, 133060, 246161, 266120, 492322, 532240, 984644, 1230805, 1969288, 2461610, 3938576, 4923220, 9846440, 19692880]

約数ペア:

[(1, 19692880), (2, 9846440), (4, 4923220), (5, 3938576), (8, 2461610), (10, 1969288), (16, 1230805), (20, 984644), (37, 532240), (40, 492322), (74, 266120), (80, 246161), (148, 133060), (185, 106448), (296, 66530), (370, 53224), (592, 33265), (740, 26612), (1480, 13306), (2960, 6653)]