18112952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22529608

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 223, 284, 286, 446, 568, 572, 781, 892, 923, 1144, 1562, 1784, 1846, 2453, 2899, 3124, 3692, 4906, 5798, 6248, 7384, 9812, 10153, 11596, 15833, 19624, 20306, 23192, 31666, 31889, 40612, 63332, 63778, 81224, 126664, 127556, 174163, 205829, 255112, 348326, 411658, 696652, 823316, 1393304, 1646632, 2264119, 4528238, 9056476, 18112952]

約数ペア:

[(1, 18112952), (2, 9056476), (4, 4528238), (8, 2264119), (11, 1646632), (13, 1393304), (22, 823316), (26, 696652), (44, 411658), (52, 348326), (71, 255112), (88, 205829), (104, 174163), (142, 127556), (143, 126664), (223, 81224), (284, 63778), (286, 63332), (446, 40612), (568, 31889), (572, 31666), (781, 23192), (892, 20306), (923, 19624), (1144, 15833), (1562, 11596), (1784, 10153), (1846, 9812), (2453, 7384), (2899, 6248), (3124, 5798), (3692, 4906)]