17871912

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{2789}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 48964500

約数和(自身を除く): 31092588

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 2789, 3204, 5578, 6408, 8367, 11156, 16734, 22312, 25101, 33468, 50202, 66936, 100404, 200808, 248221, 496442, 744663, 992884, 1489326, 1985768, 2233989, 2978652, 4467978, 5957304, 8935956, 17871912]

約数ペア:

[(1, 17871912), (2, 8935956), (3, 5957304), (4, 4467978), (6, 2978652), (8, 2233989), (9, 1985768), (12, 1489326), (18, 992884), (24, 744663), (36, 496442), (72, 248221), (89, 200808), (178, 100404), (267, 66936), (356, 50202), (534, 33468), (712, 25101), (801, 22312), (1068, 16734), (1602, 11156), (2136, 8367), (2789, 6408), (3204, 5578)]