18315041521

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1\times {\mathrm{941}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 21776025600

約数和(自身を除く): 3460984079

約数列:

[1, 7, 31, 217, 257, 349, 941, 1799, 2443, 6587, 7967, 10819, 29171, 55769, 75733, 89693, 204197, 241837, 328409, 627851, 1692859, 2298863, 2780483, 7496947, 10180679, 19463381, 52478629, 71264753, 84401113, 590807791, 2616434503, 18315041521]

約数ペア:

[(1, 18315041521), (7, 2616434503), (31, 590807791), (217, 84401113), (257, 71264753), (349, 52478629), (941, 19463381), (1799, 10180679), (2443, 7496947), (6587, 2780483), (7967, 2298863), (10819, 1692859), (29171, 627851), (55769, 328409), (75733, 241837), (89693, 204197)]