19720128

素因数分解:

$2^6\times 3^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:665

約数の個数: 56

約数和(自身を含む): 52506880

約数和(自身を除く): 32786752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 271, 379, 542, 758, 813, 1084, 1137, 1516, 1626, 2168, 2274, 3032, 3252, 4336, 4548, 6064, 6504, 8672, 9096, 12128, 13008, 17344, 18192, 24256, 26016, 36384, 52032, 72768, 102709, 205418, 308127, 410836, 616254, 821672, 1232508, 1643344, 2465016, 3286688, 4930032, 6573376, 9860064, 19720128]

約数ペア:

[(1, 19720128), (2, 9860064), (3, 6573376), (4, 4930032), (6, 3286688), (8, 2465016), (12, 1643344), (16, 1232508), (24, 821672), (32, 616254), (48, 410836), (64, 308127), (96, 205418), (192, 102709), (271, 72768), (379, 52032), (542, 36384), (758, 26016), (813, 24256), (1084, 18192), (1137, 17344), (1516, 13008), (1626, 12128), (2168, 9096), (2274, 8672), (3032, 6504), (3252, 6064), (4336, 4548)]