19447485988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1\times {\mathrm{997}}^1$

素因数の和:2021

約数の個数: 96

約数和(自身を含む): 42227184384

約数和(自身を除く): 22779698396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 953, 997, 1204, 1462, 1906, 1994, 2924, 3812, 3988, 5117, 6671, 6979, 10234, 13342, 13958, 16201, 16949, 20468, 26684, 27916, 32402, 33898, 40979, 42871, 64804, 67796, 81958, 85742, 113407, 118643, 163916, 171484, 226814, 237286, 286853, 300097, 453628, 474572, 573706, 600194, 696643, 728807, 950141, 1147412, 1200388, 1393286, 1457614, 1900282, 2786572, 2915228, 3800564, 4876501, 5101649, 6650987, 9753002, 10203298, 13301974, 16152397, 19506004, 20406596, 26603948, 32304794, 40856063, 64609588, 81712126, 113066779, 163424252, 226133558, 285992441, 452267116, 571984882, 694553071, 1143969764, 1389106142, 2778212284, 4861871497, 9723742994, 19447485988]

約数ペア:

[(1, 19447485988), (2, 9723742994), (4, 4861871497), (7, 2778212284), (14, 1389106142), (17, 1143969764), (28, 694553071), (34, 571984882), (43, 452267116), (68, 285992441), (86, 226133558), (119, 163424252), (172, 113066779), (238, 81712126), (301, 64609588), (476, 40856063), (602, 32304794), (731, 26603948), (953, 20406596), (997, 19506004), (1204, 16152397), (1462, 13301974), (1906, 10203298), (1994, 9753002), (2924, 6650987), (3812, 5101649), (3988, 4876501), (5117, 3800564), (6671, 2915228), (6979, 2786572), (10234, 1900282), (13342, 1457614), (13958, 1393286), (16201, 1200388), (16949, 1147412), (20468, 950141), (26684, 728807), (27916, 696643), (32402, 600194), (33898, 573706), (40979, 474572), (42871, 453628), (64804, 300097), (67796, 286853), (81958, 237286), (85742, 226814), (113407, 171484), (118643, 163916)]