19643148

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2887}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 58868992

約数和(自身を除く): 39225844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2887, 3402, 5774, 6804, 8661, 11548, 17322, 20209, 25983, 34644, 40418, 51966, 60627, 77949, 80836, 103932, 121254, 155898, 181881, 233847, 242508, 311796, 363762, 467694, 545643, 701541, 727524, 935388, 1091286, 1403082, 1636929, 2182572, 2806164, 3273858, 4910787, 6547716, 9821574, 19643148]

約数ペア:

[(1, 19643148), (2, 9821574), (3, 6547716), (4, 4910787), (6, 3273858), (7, 2806164), (9, 2182572), (12, 1636929), (14, 1403082), (18, 1091286), (21, 935388), (27, 727524), (28, 701541), (36, 545643), (42, 467694), (54, 363762), (63, 311796), (81, 242508), (84, 233847), (108, 181881), (126, 155898), (162, 121254), (189, 103932), (243, 80836), (252, 77949), (324, 60627), (378, 51966), (486, 40418), (567, 34644), (756, 25983), (972, 20209), (1134, 17322), (1701, 11548), (2268, 8661), (2887, 6804), (3402, 5774)]