18387832561

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2927}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 22711207680

約数和(自身を除く): 4323375119

約数列:

[1, 7, 41, 49, 53, 59, 287, 371, 413, 2009, 2173, 2419, 2597, 2891, 2927, 3127, 15211, 16933, 20489, 21889, 106477, 118531, 120007, 128207, 143423, 153223, 155131, 172693, 840049, 897449, 1085917, 1208851, 5880343, 6282143, 6360371, 7080413, 7601419, 8461957, 9152729, 44522597, 49562891, 64069103, 311658179, 346940237, 375261889, 448483721, 2626833223, 18387832561]

約数ペア:

[(1, 18387832561), (7, 2626833223), (41, 448483721), (49, 375261889), (53, 346940237), (59, 311658179), (287, 64069103), (371, 49562891), (413, 44522597), (2009, 9152729), (2173, 8461957), (2419, 7601419), (2597, 7080413), (2891, 6360371), (2927, 6282143), (3127, 5880343), (15211, 1208851), (16933, 1085917), (20489, 897449), (21889, 840049), (106477, 172693), (118531, 155131), (120007, 153223), (128207, 143423)]