18371392

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:407

約数の個数: 56

約数和(自身を含む): 39940992

約数和(自身を除く): 21569600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 142, 208, 284, 311, 416, 568, 622, 832, 923, 1136, 1244, 1846, 2272, 2488, 3692, 4043, 4544, 4976, 7384, 8086, 9952, 14768, 16172, 19904, 22081, 29536, 32344, 44162, 59072, 64688, 88324, 129376, 176648, 258752, 287053, 353296, 574106, 706592, 1148212, 1413184, 2296424, 4592848, 9185696, 18371392]

約数ペア:

[(1, 18371392), (2, 9185696), (4, 4592848), (8, 2296424), (13, 1413184), (16, 1148212), (26, 706592), (32, 574106), (52, 353296), (64, 287053), (71, 258752), (104, 176648), (142, 129376), (208, 88324), (284, 64688), (311, 59072), (416, 44162), (568, 32344), (622, 29536), (832, 22081), (923, 19904), (1136, 16172), (1244, 14768), (1846, 9952), (2272, 8086), (2488, 7384), (3692, 4976), (4043, 4544)]