19839800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 50889600

約数和(自身を除く): 31049800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 100, 115, 152, 184, 190, 200, 227, 230, 380, 437, 454, 460, 475, 575, 760, 874, 908, 920, 950, 1135, 1150, 1748, 1816, 1900, 2185, 2270, 2300, 3496, 3800, 4313, 4370, 4540, 4600, 5221, 5675, 8626, 8740, 9080, 10442, 10925, 11350, 17252, 17480, 20884, 21565, 21850, 22700, 26105, 34504, 41768, 43130, 43700, 45400, 52210, 86260, 87400, 99199, 104420, 107825, 130525, 172520, 198398, 208840, 215650, 261050, 396796, 431300, 495995, 522100, 793592, 862600, 991990, 1044200, 1983980, 2479975, 3967960, 4959950, 9919900, 19839800]

約数ペア:

[(1, 19839800), (2, 9919900), (4, 4959950), (5, 3967960), (8, 2479975), (10, 1983980), (19, 1044200), (20, 991990), (23, 862600), (25, 793592), (38, 522100), (40, 495995), (46, 431300), (50, 396796), (76, 261050), (92, 215650), (95, 208840), (100, 198398), (115, 172520), (152, 130525), (184, 107825), (190, 104420), (200, 99199), (227, 87400), (230, 86260), (380, 52210), (437, 45400), (454, 43700), (460, 43130), (475, 41768), (575, 34504), (760, 26105), (874, 22700), (908, 21850), (920, 21565), (950, 20884), (1135, 17480), (1150, 17252), (1748, 11350), (1816, 10925), (1900, 10442), (2185, 9080), (2270, 8740), (2300, 8626), (3496, 5675), (3800, 5221), (4313, 4600), (4370, 4540)]