19907930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1489}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 41195520

約数和(自身を除く): 21287590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 191, 382, 955, 1337, 1489, 1910, 2674, 2978, 6685, 7445, 10423, 13370, 14890, 20846, 52115, 104230, 284399, 568798, 1421995, 1990793, 2843990, 3981586, 9953965, 19907930]

約数ペア:

[(1, 19907930), (2, 9953965), (5, 3981586), (7, 2843990), (10, 1990793), (14, 1421995), (35, 568798), (70, 284399), (191, 104230), (382, 52115), (955, 20846), (1337, 14890), (1489, 13370), (1910, 10423), (2674, 7445), (2978, 6685)]