18309236

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 37302720

約数和(自身を除く): 18993484

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 181, 209, 242, 362, 418, 484, 724, 836, 1331, 1991, 2299, 2662, 3439, 3982, 4598, 5324, 6878, 7964, 9196, 13756, 21901, 25289, 37829, 43802, 50578, 75658, 87604, 101156, 151316, 240911, 416119, 481822, 832238, 963644, 1664476, 4577309, 9154618, 18309236]

約数ペア:

[(1, 18309236), (2, 9154618), (4, 4577309), (11, 1664476), (19, 963644), (22, 832238), (38, 481822), (44, 416119), (76, 240911), (121, 151316), (181, 101156), (209, 87604), (242, 75658), (362, 50578), (418, 43802), (484, 37829), (724, 25289), (836, 21901), (1331, 13756), (1991, 9196), (2299, 7964), (2662, 6878), (3439, 5324), (3982, 4598)]