18136728

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2311}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 49592400

約数和(自身を除く): 31455672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2311, 2616, 3924, 4622, 6933, 7848, 9244, 13866, 18488, 20799, 27732, 41598, 55464, 83196, 166392, 251899, 503798, 755697, 1007596, 1511394, 2015192, 2267091, 3022788, 4534182, 6045576, 9068364, 18136728]

約数ペア:

[(1, 18136728), (2, 9068364), (3, 6045576), (4, 4534182), (6, 3022788), (8, 2267091), (9, 2015192), (12, 1511394), (18, 1007596), (24, 755697), (36, 503798), (72, 251899), (109, 166392), (218, 83196), (327, 55464), (436, 41598), (654, 27732), (872, 20799), (981, 18488), (1308, 13866), (1962, 9244), (2311, 7848), (2616, 6933), (3924, 4622)]