18778869616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{6067}}^1$

素因数の和:6758

約数の個数: 80

約数和(自身を含む): 40956378624

約数和(自身を除く): 22177509008

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 647, 1196, 1294, 2392, 2588, 4784, 5176, 6067, 8411, 10352, 12134, 14881, 16822, 24268, 29762, 33644, 48536, 59524, 67288, 78871, 97072, 119048, 134576, 139541, 157742, 193453, 238096, 279082, 315484, 386906, 558164, 630968, 773812, 1116328, 1261936, 1547624, 1814033, 2232656, 3095248, 3628066, 3925349, 7256132, 7850698, 14512264, 15701396, 29024528, 31402792, 51029537, 62805584, 90283027, 102059074, 180566054, 204118148, 361132108, 408236296, 722264216, 816472592, 1173679351, 1444528432, 2347358702, 4694717404, 9389434808, 18778869616]

約数ペア:

[(1, 18778869616), (2, 9389434808), (4, 4694717404), (8, 2347358702), (13, 1444528432), (16, 1173679351), (23, 816472592), (26, 722264216), (46, 408236296), (52, 361132108), (92, 204118148), (104, 180566054), (184, 102059074), (208, 90283027), (299, 62805584), (368, 51029537), (598, 31402792), (647, 29024528), (1196, 15701396), (1294, 14512264), (2392, 7850698), (2588, 7256132), (4784, 3925349), (5176, 3628066), (6067, 3095248), (8411, 2232656), (10352, 1814033), (12134, 1547624), (14881, 1261936), (16822, 1116328), (24268, 773812), (29762, 630968), (33644, 558164), (48536, 386906), (59524, 315484), (67288, 279082), (78871, 238096), (97072, 193453), (119048, 157742), (134576, 139541)]