19103812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 42499072

約数和(自身を除く): 23395260

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1693, 2821, 3386, 5642, 6772, 11284, 11851, 22009, 23702, 44018, 47404, 52483, 88036, 104966, 154063, 209932, 308126, 367381, 616252, 682279, 734762, 1364558, 1469524, 2729116, 4775953, 9551906, 19103812]

約数ペア:

[(1, 19103812), (2, 9551906), (4, 4775953), (7, 2729116), (13, 1469524), (14, 1364558), (26, 734762), (28, 682279), (31, 616252), (52, 367381), (62, 308126), (91, 209932), (124, 154063), (182, 104966), (217, 88036), (364, 52483), (403, 47404), (434, 44018), (806, 23702), (868, 22009), (1612, 11851), (1693, 11284), (2821, 6772), (3386, 5642)]