19528300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 47465712

約数和(自身を除く): 27937412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 433, 451, 550, 820, 866, 902, 1025, 1100, 1732, 1804, 2050, 2165, 2255, 4100, 4330, 4510, 4763, 8660, 9020, 9526, 10825, 11275, 17753, 19052, 21650, 22550, 23815, 35506, 43300, 45100, 47630, 71012, 88765, 95260, 119075, 177530, 195283, 238150, 355060, 390566, 443825, 476300, 781132, 887650, 976415, 1775300, 1952830, 3905660, 4882075, 9764150, 19528300]

約数ペア:

[(1, 19528300), (2, 9764150), (4, 4882075), (5, 3905660), (10, 1952830), (11, 1775300), (20, 976415), (22, 887650), (25, 781132), (41, 476300), (44, 443825), (50, 390566), (55, 355060), (82, 238150), (100, 195283), (110, 177530), (164, 119075), (205, 95260), (220, 88765), (275, 71012), (410, 47630), (433, 45100), (451, 43300), (550, 35506), (820, 23815), (866, 22550), (902, 21650), (1025, 19052), (1100, 17753), (1732, 11275), (1804, 10825), (2050, 9526), (2165, 9020), (2255, 8660), (4100, 4763), (4330, 4510)]