16449820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 20473220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 593, 730, 1186, 1387, 1460, 2372, 2774, 2965, 5548, 5930, 6935, 11267, 11860, 13870, 22534, 27740, 43289, 45068, 56335, 86578, 112670, 173156, 216445, 225340, 432890, 822491, 865780, 1644982, 3289964, 4112455, 8224910, 16449820]

約数ペア:

[(1, 16449820), (2, 8224910), (4, 4112455), (5, 3289964), (10, 1644982), (19, 865780), (20, 822491), (38, 432890), (73, 225340), (76, 216445), (95, 173156), (146, 112670), (190, 86578), (292, 56335), (365, 45068), (380, 43289), (593, 27740), (730, 22534), (1186, 13870), (1387, 11860), (1460, 11267), (2372, 6935), (2774, 5930), (2965, 5548)]