18490788

素因数分解:

$2^2\times 3^3\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 48180160

約数和(自身を除く): 29689372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 313, 547, 626, 939, 1094, 1252, 1641, 1878, 2188, 2817, 3282, 3756, 4923, 5634, 6564, 8451, 9846, 11268, 14769, 16902, 19692, 29538, 33804, 59076, 171211, 342422, 513633, 684844, 1027266, 1540899, 2054532, 3081798, 4622697, 6163596, 9245394, 18490788]

約数ペア:

[(1, 18490788), (2, 9245394), (3, 6163596), (4, 4622697), (6, 3081798), (9, 2054532), (12, 1540899), (18, 1027266), (27, 684844), (36, 513633), (54, 342422), (108, 171211), (313, 59076), (547, 33804), (626, 29538), (939, 19692), (1094, 16902), (1252, 14769), (1641, 11268), (1878, 9846), (2188, 8451), (2817, 6564), (3282, 5634), (3756, 4923)]