17988839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 22498560

約数和(自身を除く): 4509721

約数列:

[1, 11, 17, 19, 61, 83, 187, 209, 323, 671, 913, 1037, 1159, 1411, 1577, 3553, 5063, 11407, 12749, 15521, 17347, 19703, 26809, 55693, 86071, 96197, 216733, 294899, 946781, 1058167, 1635349, 17988839]

約数ペア:

[(1, 17988839), (11, 1635349), (17, 1058167), (19, 946781), (61, 294899), (83, 216733), (187, 96197), (209, 86071), (323, 55693), (671, 26809), (913, 19703), (1037, 17347), (1159, 15521), (1411, 12749), (1577, 11407), (3553, 5063)]