18442792225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271517}}^1$

素因数の和:271570

約数の個数: 48

約数和(自身を含む): 28281314880

約数和(自身を除く): 9838522655

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 475, 715, 1045, 1235, 2717, 3575, 5225, 6175, 13585, 67925, 271517, 1357585, 2986687, 3529721, 5158823, 6787925, 14933435, 17648605, 25794115, 38826931, 56747053, 67064699, 74667175, 88243025, 128970575, 194134655, 283735265, 335323495, 737711689, 970673275, 1418676325, 1676617475, 3688558445, 18442792225]

約数ペア:

[(1, 18442792225), (5, 3688558445), (11, 1676617475), (13, 1418676325), (19, 970673275), (25, 737711689), (55, 335323495), (65, 283735265), (95, 194134655), (143, 128970575), (209, 88243025), (247, 74667175), (275, 67064699), (325, 56747053), (475, 38826931), (715, 25794115), (1045, 17648605), (1235, 14933435), (2717, 6787925), (3575, 5158823), (5225, 3529721), (6175, 2986687), (13585, 1357585), (67925, 271517)]