18680327848

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{10301}}^1$

素因数の和:10427

約数の個数: 128

約数和(自身を含む): 44860677120

約数和(自身を除く): 26180349272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 53, 56, 91, 94, 104, 106, 182, 188, 212, 329, 364, 371, 376, 424, 611, 658, 689, 728, 742, 1222, 1316, 1378, 1484, 2444, 2491, 2632, 2756, 2968, 4277, 4823, 4888, 4982, 5512, 8554, 9646, 9964, 10301, 17108, 17437, 19292, 19928, 20602, 32383, 34216, 34874, 38584, 41204, 64766, 69748, 72107, 82408, 129532, 133913, 139496, 144214, 226681, 259064, 267826, 288428, 453362, 484147, 535652, 545953, 576856, 906724, 937391, 968294, 1071304, 1091906, 1813448, 1874782, 1936588, 2183812, 3389029, 3749564, 3821671, 3873176, 4367624, 6293911, 6778058, 7097389, 7499128, 7643342, 12587822, 13556116, 14194778, 15286684, 25175644, 25659791, 27112232, 28389556, 30573368, 44057377, 49681723, 50351288, 51319582, 56779112, 88114754, 99363446, 102639164, 176229508, 179618537, 198726892, 205278328, 333577283, 352459016, 359237074, 397453784, 667154566, 718474148, 1334309132, 1436948296, 2335040981, 2668618264, 4670081962, 9340163924, 18680327848]

約数ペア:

[(1, 18680327848), (2, 9340163924), (4, 4670081962), (7, 2668618264), (8, 2335040981), (13, 1436948296), (14, 1334309132), (26, 718474148), (28, 667154566), (47, 397453784), (52, 359237074), (53, 352459016), (56, 333577283), (91, 205278328), (94, 198726892), (104, 179618537), (106, 176229508), (182, 102639164), (188, 99363446), (212, 88114754), (329, 56779112), (364, 51319582), (371, 50351288), (376, 49681723), (424, 44057377), (611, 30573368), (658, 28389556), (689, 27112232), (728, 25659791), (742, 25175644), (1222, 15286684), (1316, 14194778), (1378, 13556116), (1484, 12587822), (2444, 7643342), (2491, 7499128), (2632, 7097389), (2756, 6778058), (2968, 6293911), (4277, 4367624), (4823, 3873176), (4888, 3821671), (4982, 3749564), (5512, 3389029), (8554, 2183812), (9646, 1936588), (9964, 1874782), (10301, 1813448), (17108, 1091906), (17437, 1071304), (19292, 968294), (19928, 937391), (20602, 906724), (32383, 576856), (34216, 545953), (34874, 535652), (38584, 484147), (41204, 453362), (64766, 288428), (69748, 267826), (72107, 259064), (82408, 226681), (129532, 144214), (133913, 139496)]