2018759990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{500933}}^1$

素因数の和:500984

約数の個数: 32

約数和(自身を含む): 4039531776

約数和(自身を除く): 2020771786

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 500933, 1001866, 2504665, 5009330, 6512129, 13024258, 15528923, 31057846, 32560645, 65121290, 77644615, 155289230, 201875999, 403751998, 1009379995, 2018759990]

約数ペア:

[(1, 2018759990), (2, 1009379995), (5, 403751998), (10, 201875999), (13, 155289230), (26, 77644615), (31, 65121290), (62, 32560645), (65, 31057846), (130, 15528923), (155, 13024258), (310, 6512129), (403, 5009330), (806, 2504665), (2015, 1001866), (4030, 500933)]