18979350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9733}}^1$

素因数の和:9761

約数の個数: 48

約数和(自身を含む): 50694672

約数和(自身を除く): 31715322

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9733, 19466, 29199, 48665, 58398, 97330, 126529, 145995, 243325, 253058, 291990, 379587, 486650, 632645, 729975, 759174, 1265290, 1459950, 1897935, 3163225, 3795870, 6326450, 9489675, 18979350]

約数ペア:

[(1, 18979350), (2, 9489675), (3, 6326450), (5, 3795870), (6, 3163225), (10, 1897935), (13, 1459950), (15, 1265290), (25, 759174), (26, 729975), (30, 632645), (39, 486650), (50, 379587), (65, 291990), (75, 253058), (78, 243325), (130, 145995), (150, 126529), (195, 97330), (325, 58398), (390, 48665), (650, 29199), (975, 19466), (1950, 9733)]