19619480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6719}}^1$

素因数の和:6803

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 25135720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6719, 13438, 26876, 33595, 53752, 67190, 134380, 268760, 490487, 980974, 1961948, 2452435, 3923896, 4904870, 9809740, 19619480]

約数ペア:

[(1, 19619480), (2, 9809740), (4, 4904870), (5, 3923896), (8, 2452435), (10, 1961948), (20, 980974), (40, 490487), (73, 268760), (146, 134380), (292, 67190), (365, 53752), (584, 33595), (730, 26876), (1460, 13438), (2920, 6719)]