219559516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 443963520

約数和(自身を除く): 224404004

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 181, 209, 362, 418, 724, 836, 1451, 1991, 2902, 3439, 3982, 5804, 6878, 7964, 13756, 15961, 27569, 31922, 37829, 55138, 63844, 75658, 110276, 151316, 262631, 303259, 525262, 606518, 1050524, 1213036, 2888941, 4989989, 5777882, 9979978, 11555764, 19959956, 54889879, 109779758, 219559516]

約数ペア:

[(1, 219559516), (2, 109779758), (4, 54889879), (11, 19959956), (19, 11555764), (22, 9979978), (38, 5777882), (44, 4989989), (76, 2888941), (181, 1213036), (209, 1050524), (362, 606518), (418, 525262), (724, 303259), (836, 262631), (1451, 151316), (1991, 110276), (2902, 75658), (3439, 63844), (3982, 55138), (5804, 37829), (6878, 31922), (7964, 27569), (13756, 15961)]