20181398944

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{8923}}^1$

素因数の和:9402

約数の個数: 96

約数和(自身を含む): 47495669760

約数和(自身を除く): 27314270816

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 439, 644, 736, 878, 1288, 1756, 2576, 3073, 3512, 5152, 6146, 7024, 8923, 10097, 12292, 14048, 17846, 20194, 24584, 35692, 40388, 49168, 62461, 70679, 71384, 80776, 98336, 124922, 141358, 142768, 161552, 205229, 249844, 282716, 285536, 323104, 410458, 499688, 565432, 820916, 999376, 1130864, 1436603, 1641832, 1998752, 2261728, 2873206, 3283664, 3917197, 5746412, 6567328, 7834394, 11492824, 15668788, 22985648, 27420379, 31337576, 45971296, 54840758, 62675152, 90095531, 109681516, 125350304, 180191062, 219363032, 360382124, 438726064, 630668717, 720764248, 877452128, 1261337434, 1441528496, 2522674868, 2883056992, 5045349736, 10090699472, 20181398944]

約数ペア:

[(1, 20181398944), (2, 10090699472), (4, 5045349736), (7, 2883056992), (8, 2522674868), (14, 1441528496), (16, 1261337434), (23, 877452128), (28, 720764248), (32, 630668717), (46, 438726064), (56, 360382124), (92, 219363032), (112, 180191062), (161, 125350304), (184, 109681516), (224, 90095531), (322, 62675152), (368, 54840758), (439, 45971296), (644, 31337576), (736, 27420379), (878, 22985648), (1288, 15668788), (1756, 11492824), (2576, 7834394), (3073, 6567328), (3512, 5746412), (5152, 3917197), (6146, 3283664), (7024, 2873206), (8923, 2261728), (10097, 1998752), (12292, 1641832), (14048, 1436603), (17846, 1130864), (20194, 999376), (24584, 820916), (35692, 565432), (40388, 499688), (49168, 410458), (62461, 323104), (70679, 285536), (71384, 282716), (80776, 249844), (98336, 205229), (124922, 161552), (141358, 142768)]