18852603

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 32503680

約数和(自身を除く): 13651077

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 89, 131, 147, 231, 267, 393, 539, 623, 917, 979, 1441, 1617, 1869, 2751, 2937, 4323, 4361, 6419, 6853, 10087, 11659, 13083, 19257, 20559, 30261, 34977, 47971, 70609, 81613, 128249, 143913, 211827, 244839, 384747, 571291, 897743, 1713873, 2693229, 6284201, 18852603]

約数ペア:

[(1, 18852603), (3, 6284201), (7, 2693229), (11, 1713873), (21, 897743), (33, 571291), (49, 384747), (77, 244839), (89, 211827), (131, 143913), (147, 128249), (231, 81613), (267, 70609), (393, 47971), (539, 34977), (623, 30261), (917, 20559), (979, 19257), (1441, 13083), (1617, 11659), (1869, 10087), (2751, 6853), (2937, 6419), (4323, 4361)]