18223832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 39808800

約数和(自身を除く): 21584968

約数列:

[1, 2, 4, 8, 11, 22, 29, 37, 44, 58, 74, 88, 116, 148, 193, 232, 296, 319, 386, 407, 638, 772, 814, 1073, 1276, 1544, 1628, 2123, 2146, 2552, 3256, 4246, 4292, 5597, 7141, 8492, 8584, 11194, 11803, 14282, 16984, 22388, 23606, 28564, 44776, 47212, 57128, 61567, 78551, 94424, 123134, 157102, 207089, 246268, 314204, 414178, 492536, 628408, 828356, 1656712, 2277979, 4555958, 9111916, 18223832]

約数ペア:

[(1, 18223832), (2, 9111916), (4, 4555958), (8, 2277979), (11, 1656712), (22, 828356), (29, 628408), (37, 492536), (44, 414178), (58, 314204), (74, 246268), (88, 207089), (116, 157102), (148, 123134), (193, 94424), (232, 78551), (296, 61567), (319, 57128), (386, 47212), (407, 44776), (638, 28564), (772, 23606), (814, 22388), (1073, 16984), (1276, 14282), (1544, 11803), (1628, 11194), (2123, 8584), (2146, 8492), (2552, 7141), (3256, 5597), (4246, 4292)]