18150996875

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{27791}}^1$

素因数の和:27846

約数の個数: 48

約数和(自身を含む): 26053332480

約数和(自身を除く): 7902335605

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 625, 1045, 1375, 2375, 3125, 5225, 6875, 11875, 26125, 27791, 34375, 59375, 130625, 138955, 305701, 528029, 653125, 694775, 1528505, 2640145, 3473875, 5808319, 7642525, 13200725, 17369375, 29041595, 38212625, 66003625, 86846875, 145207975, 191063125, 330018125, 726039875, 955315625, 1650090625, 3630199375, 18150996875]

約数ペア:

[(1, 18150996875), (5, 3630199375), (11, 1650090625), (19, 955315625), (25, 726039875), (55, 330018125), (95, 191063125), (125, 145207975), (209, 86846875), (275, 66003625), (475, 38212625), (625, 29041595), (1045, 17369375), (1375, 13200725), (2375, 7642525), (3125, 5808319), (5225, 3473875), (6875, 2640145), (11875, 1528505), (26125, 694775), (27791, 653125), (34375, 528029), (59375, 305701), (130625, 138955)]