19677950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 38903760

約数和(自身を除く): 19225810

約数列:

[1, 2, 5, 10, 25, 29, 41, 50, 58, 82, 145, 205, 290, 331, 410, 662, 725, 1025, 1189, 1450, 1655, 2050, 2378, 3310, 5945, 8275, 9599, 11890, 13571, 16550, 19198, 27142, 29725, 47995, 59450, 67855, 95990, 135710, 239975, 339275, 393559, 479950, 678550, 787118, 1967795, 3935590, 9838975, 19677950]

約数ペア:

[(1, 19677950), (2, 9838975), (5, 3935590), (10, 1967795), (25, 787118), (29, 678550), (41, 479950), (50, 393559), (58, 339275), (82, 239975), (145, 135710), (205, 95990), (290, 67855), (331, 59450), (410, 47995), (662, 29725), (725, 27142), (1025, 19198), (1189, 16550), (1450, 13571), (1655, 11890), (2050, 9599), (2378, 8275), (3310, 5945)]