18851352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 36306408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 37, 39, 46, 52, 69, 71, 74, 78, 92, 104, 111, 138, 142, 148, 156, 184, 213, 222, 276, 284, 296, 299, 312, 426, 444, 481, 552, 568, 598, 851, 852, 888, 897, 923, 962, 1196, 1443, 1633, 1702, 1704, 1794, 1846, 1924, 2392, 2553, 2627, 2769, 2886, 3266, 3404, 3588, 3692, 3848, 4899, 5106, 5254, 5538, 5772, 6532, 6808, 7176, 7384, 7881, 9798, 10212, 10508, 11063, 11076, 11544, 13064, 15762, 19596, 20424, 21016, 21229, 22126, 22152, 31524, 33189, 34151, 39192, 42458, 44252, 60421, 63048, 63687, 66378, 68302, 84916, 88504, 102453, 120842, 127374, 132756, 136604, 169832, 181263, 204906, 241684, 254748, 265512, 273208, 362526, 409812, 483368, 509496, 725052, 785473, 819624, 1450104, 1570946, 2356419, 3141892, 4712838, 6283784, 9425676, 18851352]

約数ペア:

[(1, 18851352), (2, 9425676), (3, 6283784), (4, 4712838), (6, 3141892), (8, 2356419), (12, 1570946), (13, 1450104), (23, 819624), (24, 785473), (26, 725052), (37, 509496), (39, 483368), (46, 409812), (52, 362526), (69, 273208), (71, 265512), (74, 254748), (78, 241684), (92, 204906), (104, 181263), (111, 169832), (138, 136604), (142, 132756), (148, 127374), (156, 120842), (184, 102453), (213, 88504), (222, 84916), (276, 68302), (284, 66378), (296, 63687), (299, 63048), (312, 60421), (426, 44252), (444, 42458), (481, 39192), (552, 34151), (568, 33189), (598, 31524), (851, 22152), (852, 22126), (888, 21229), (897, 21016), (923, 20424), (962, 19596), (1196, 15762), (1443, 13064), (1633, 11544), (1702, 11076), (1704, 11063), (1794, 10508), (1846, 10212), (1924, 9798), (2392, 7881), (2553, 7384), (2627, 7176), (2769, 6808), (2886, 6532), (3266, 5772), (3404, 5538), (3588, 5254), (3692, 5106), (3848, 4899)]