18879516

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{12791}}^1$

素因数の和:12842

約数の個数: 36

約数和(自身を含む): 48891024

約数和(自身を除く): 30011508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 12791, 25582, 38373, 51164, 76746, 115119, 153492, 230238, 460476, 524431, 1048862, 1573293, 2097724, 3146586, 4719879, 6293172, 9439758, 18879516]

約数ペア:

[(1, 18879516), (2, 9439758), (3, 6293172), (4, 4719879), (6, 3146586), (9, 2097724), (12, 1573293), (18, 1048862), (36, 524431), (41, 460476), (82, 230238), (123, 153492), (164, 115119), (246, 76746), (369, 51164), (492, 38373), (738, 25582), (1476, 12791)]