19090140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{853}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 53658528

約数和(自身を除く): 34568388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 373, 746, 853, 1119, 1492, 1706, 1865, 2238, 2559, 3412, 3730, 4265, 4476, 5118, 5595, 7460, 8530, 10236, 11190, 12795, 17060, 22380, 25590, 51180, 318169, 636338, 954507, 1272676, 1590845, 1909014, 3181690, 3818028, 4772535, 6363380, 9545070, 19090140]

約数ペア:

[(1, 19090140), (2, 9545070), (3, 6363380), (4, 4772535), (5, 3818028), (6, 3181690), (10, 1909014), (12, 1590845), (15, 1272676), (20, 954507), (30, 636338), (60, 318169), (373, 51180), (746, 25590), (853, 22380), (1119, 17060), (1492, 12795), (1706, 11190), (1865, 10236), (2238, 8530), (2559, 7460), (3412, 5595), (3730, 5118), (4265, 4476)]