18590946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 43600896

約数和(自身を除く): 25009950

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 37, 46, 66, 69, 74, 111, 138, 222, 253, 331, 407, 506, 662, 759, 814, 851, 993, 1221, 1518, 1702, 1986, 2442, 2553, 3641, 5106, 7282, 7613, 9361, 10923, 12247, 15226, 18722, 21846, 22839, 24494, 28083, 36741, 45678, 56166, 73482, 83743, 134717, 167486, 251229, 269434, 281681, 404151, 502458, 563362, 808302, 845043, 1690086, 3098491, 6196982, 9295473, 18590946]

約数ペア:

[(1, 18590946), (2, 9295473), (3, 6196982), (6, 3098491), (11, 1690086), (22, 845043), (23, 808302), (33, 563362), (37, 502458), (46, 404151), (66, 281681), (69, 269434), (74, 251229), (111, 167486), (138, 134717), (222, 83743), (253, 73482), (331, 56166), (407, 45678), (506, 36741), (662, 28083), (759, 24494), (814, 22839), (851, 21846), (993, 18722), (1221, 15226), (1518, 12247), (1702, 10923), (1986, 9361), (2442, 7613), (2553, 7282), (3641, 5106)]