18988410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4759}}^1$

素因数の和:4795

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 35846790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4759, 9518, 14277, 23795, 28554, 33313, 47590, 66626, 71385, 90421, 99939, 142770, 166565, 180842, 199878, 271263, 333130, 452105, 499695, 542526, 632947, 904210, 999390, 1265894, 1356315, 1898841, 2712630, 3164735, 3797682, 6329470, 9494205, 18988410]

約数ペア:

[(1, 18988410), (2, 9494205), (3, 6329470), (5, 3797682), (6, 3164735), (7, 2712630), (10, 1898841), (14, 1356315), (15, 1265894), (19, 999390), (21, 904210), (30, 632947), (35, 542526), (38, 499695), (42, 452105), (57, 333130), (70, 271263), (95, 199878), (105, 180842), (114, 166565), (133, 142770), (190, 99939), (210, 90421), (266, 71385), (285, 66626), (399, 47590), (570, 33313), (665, 28554), (798, 23795), (1330, 14277), (1995, 9518), (3990, 4759)]