19655118

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3319}}^1$

素因数の和:3381

約数の個数: 48

約数和(自身を含む): 49720320

約数和(自身を除く): 30065202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3319, 5922, 6638, 9957, 19914, 23233, 29871, 46466, 59742, 69699, 139398, 155993, 209097, 311986, 418194, 467979, 935958, 1091951, 1403937, 2183902, 2807874, 3275853, 6551706, 9827559, 19655118]

約数ペア:

[(1, 19655118), (2, 9827559), (3, 6551706), (6, 3275853), (7, 2807874), (9, 2183902), (14, 1403937), (18, 1091951), (21, 935958), (42, 467979), (47, 418194), (63, 311986), (94, 209097), (126, 155993), (141, 139398), (282, 69699), (329, 59742), (423, 46466), (658, 29871), (846, 23233), (987, 19914), (1974, 9957), (2961, 6638), (3319, 5922)]