18321996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 35868084

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 79, 84, 132, 154, 158, 231, 237, 251, 308, 316, 462, 474, 502, 553, 753, 869, 924, 948, 1004, 1106, 1506, 1659, 1738, 1757, 2212, 2607, 2761, 3012, 3318, 3476, 3514, 5214, 5271, 5522, 6083, 6636, 7028, 8283, 10428, 10542, 11044, 12166, 16566, 18249, 19327, 19829, 21084, 24332, 33132, 36498, 38654, 39658, 57981, 59487, 72996, 77308, 79316, 115962, 118974, 138803, 218119, 231924, 237948, 277606, 416409, 436238, 555212, 654357, 832818, 872476, 1308714, 1526833, 1665636, 2617428, 3053666, 4580499, 6107332, 9160998, 18321996]

約数ペア:

[(1, 18321996), (2, 9160998), (3, 6107332), (4, 4580499), (6, 3053666), (7, 2617428), (11, 1665636), (12, 1526833), (14, 1308714), (21, 872476), (22, 832818), (28, 654357), (33, 555212), (42, 436238), (44, 416409), (66, 277606), (77, 237948), (79, 231924), (84, 218119), (132, 138803), (154, 118974), (158, 115962), (231, 79316), (237, 77308), (251, 72996), (308, 59487), (316, 57981), (462, 39658), (474, 38654), (502, 36498), (553, 33132), (753, 24332), (869, 21084), (924, 19829), (948, 19327), (1004, 18249), (1106, 16566), (1506, 12166), (1659, 11044), (1738, 10542), (1757, 10428), (2212, 8283), (2607, 7028), (2761, 6636), (3012, 6083), (3318, 5522), (3476, 5271), (3514, 5214)]