19786797056

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11987}}^1$

素因数の和:12055

約数の個数: 104

約数和(自身を含む): 43990781184

約数和(自身を除く): 24203984128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1024, 1612, 1664, 1984, 2048, 3224, 3328, 3968, 4096, 6448, 6656, 7936, 11987, 12896, 13312, 15872, 23974, 25792, 26624, 31744, 47948, 51584, 53248, 63488, 95896, 103168, 126976, 155831, 191792, 206336, 311662, 371597, 383584, 412672, 623324, 743194, 767168, 825344, 1246648, 1486388, 1534336, 1650688, 2493296, 2972776, 3068672, 4830761, 4986592, 5945552, 6137344, 9661522, 9973184, 11891104, 12274688, 19323044, 19946368, 23782208, 24549376, 38646088, 39892736, 47564416, 49098752, 77292176, 79785472, 95128832, 154584352, 159570944, 190257664, 309168704, 319141888, 380515328, 618337408, 638283776, 761030656, 1236674816, 1522061312, 2473349632, 4946699264, 9893398528, 19786797056]

約数ペア:

[(1, 19786797056), (2, 9893398528), (4, 4946699264), (8, 2473349632), (13, 1522061312), (16, 1236674816), (26, 761030656), (31, 638283776), (32, 618337408), (52, 380515328), (62, 319141888), (64, 309168704), (104, 190257664), (124, 159570944), (128, 154584352), (208, 95128832), (248, 79785472), (256, 77292176), (403, 49098752), (416, 47564416), (496, 39892736), (512, 38646088), (806, 24549376), (832, 23782208), (992, 19946368), (1024, 19323044), (1612, 12274688), (1664, 11891104), (1984, 9973184), (2048, 9661522), (3224, 6137344), (3328, 5945552), (3968, 4986592), (4096, 4830761), (6448, 3068672), (6656, 2972776), (7936, 2493296), (11987, 1650688), (12896, 1534336), (13312, 1486388), (15872, 1246648), (23974, 825344), (25792, 767168), (26624, 743194), (31744, 623324), (47948, 412672), (51584, 383584), (53248, 371597), (63488, 311662), (95896, 206336), (103168, 191792), (126976, 155831)]